| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q3518681 | 2008-08-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5563262 | 1967-01-01 | Paper |
| GENERALIZED RIEMANNIAN GEOMETRY, II | 1963-01-01 | Paper |
| THE EINSTEIN GENERALIZED RIEMANNIAN GEOMETRY | 1963-01-01 | Paper |
| Spaces in which the Geodesics are Minimal Curves | 1962-01-01 | Paper |
| GENERALIZED RIEMANNIAN GEOMETRY | 1962-01-01 | Paper |
| THE PATHS OF RAYS OF LIGHT IN GENERALIZED GENERAL RELATIVITY OF THE NONSYMMETRIC FIELD V 4 | 1962-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3274208 | 1961-01-01 | Paper |
| THE PATHS OF RAYS OF LIGHT IN GENERAL RELATIVITY OF THE NONSYMMETRIC FIELD V 4 | 1961-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3260070 | 1960-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3265258 | 1960-01-01 | Paper |
| THE PATHS OF RAYS OF LIGHT IN GENERAL RELATIVITY | 1960-01-01 | Paper |
| SPACES WHICH ADMIT FIELDS OF NORMAL NULL VECTORS | 1960-01-01 | Paper |
| GENERALIZED SPACES OF GENERAL RELATIVITY, II | 1960-01-01 | Paper |
| FIELDS OF UNIT VECTORS IN THE FOUR-SPACE OF GENERAL RELATIVITY | 1960-01-01 | Paper |
| The cosmology problem in general relativity | 1960-01-01 | Paper |
| SPACES FOR WHICH THE RICCI SCALAR R IS EQUAL TO ZERO. II | 1959-01-01 | Paper |
| THE RICCI PRINCIPAL DIRECTION VECTORS | 1959-01-01 | Paper |
| GENERALIZED SPACES OF GENERAL RELATIVITY | 1959-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5734925 | 1959-01-01 | Paper |
| SPACES FOR WHICH THE RICCI SCALAR R IS EQUAL TO ZERO | 1958-01-01 | Paper |
| A UNIFIED THEORY OF GENERAL RELATIVITY OF GRAVITATION AND ELECTROMAGNETISM. IV | 1957-01-01 | Paper |
| A UNIFIED THEORY OF GENERAL RELATIVITY OF GRAVITATION AND ELECTROMAGNETISM | 1956-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3235222 | 1956-01-01 | Paper |
| GENERALIZED RIEMANN SPACES AND GENERAL RELATIVITY. II | 1954-01-01 | Paper |
| Generalized Riemann Spaces and General Relativity | 1953-01-01 | Paper |
| Generalized Riemann Spaces | 1952-01-01 | Paper |
| Generalized Riemann Spaces | 1951-01-01 | Paper |
| Homogeneous Contact Transformations | 1950-01-01 | Paper |
| Separation of the Variables of the Two-Particle Wave Equation | 1949-01-01 | Paper |
| Separation of the Variables in the One-Particle Schroedinger Equation in 3-Space | 1949-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5801822 | 1949-01-01 | Paper |
| Finsler spaces derived from Riemann spaces by contact transformations | 1948-01-01 | Paper |
| Enumeration of Potentials for Which One-Particle Schroedinger Equations Are Separable | 1948-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5790826 | 1947-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5781482 | 1940-01-01 | Paper |
| An introduction to differential geometry with use of the tensor calculus. | 1940-01-01 | Paper |
| Coordinate geometry. | 1939-01-01 | Paper |
| Fields of parallel vectors in Riemannian space | 1938-01-01 | Paper |
| Fields of parallel vectors in Riemannian space. | 1938-01-01 | Paper |
| Riemannian spaces of class greater than unity | 1937-01-01 | Paper |
| Riemannian spaces of class greater than unity. | 1937-01-01 | Paper |
| Invariant theory of homogeneous contact transformations | 1936-01-01 | Paper |
| Simply Transitive Groups of Motions | 1936-01-01 | Paper |
| Invariant theory of homogeneous contact transformations. | 1936-01-01 | Paper |
| Simply transitive groups of motions. | 1936-01-01 | Paper |
| Invariant theory of homogeneous contact transformations. | 1936-01-01 | Paper |
| Groups of motions and Ricci directions | 1935-01-01 | Paper |
| Stäckel systems in conformal Euclidean space | 1935-01-01 | Paper |
| Groups of motions and Ricci directions. | 1935-01-01 | Paper |
| Stäckel systems in conformai euclidean space. | 1935-01-01 | Paper |
| Separable systems of Stäckel. | 1934-01-01 | Paper |
| Separable systems of Stäckel | 1934-01-01 | Paper |
| Continuous groups of transformations. | 1933-01-01 | Paper |
| Spaces admitting complete absolute parallelism. | 1933-01-01 | Paper |
| Spaces admitting complete absolute parallelism | 1933-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4753901 | 1933-01-01 | Paper |
| Intransitive Groups of Motions | 1932-01-01 | Paper |
| Equivalent continuous groups. | 1932-01-01 | Paper |
| Intransitive groups of motions. | 1932-01-01 | Paper |
| Equivalent continuous groups | 1932-01-01 | Paper |
| Projective normal coördinates. | 1930-01-01 | Paper |
| Contact transformations. | 1929-01-01 | Paper |
| Vraagstuk 237. (Gestellt in Chr. Huygens 7, 250.) Lösung von H. F. Cox und J. v. Duynen. | 1929-01-01 | Paper |
| Dynamical trajectories and geodesies. | 1929-01-01 | Paper |
| Non-Riemannian geometry. | 1927-01-01 | Paper |
| Displacements in a geometry of paths which carry paths into paths. | 1927-01-01 | Paper |
| Non-Riemannian geometry. | 1927-01-01 | Paper |
| Riemannian geometry. | 1926-01-01 | Paper |
| Geometries of paths for which the equations of the paths admit \(n(n + 1)/2\) independent linear first integrals. | 1926-01-01 | Paper |
| Geometries of paths for which the equations of the paths admit \(n(n + 1)/2\) independent linear first integrals. | 1926-01-01 | Paper |
| Congruences of parallelism of a field of vectors. | 1926-01-01 | Paper |
| Einstein's recent theory of gravitation and electricity. | 1926-01-01 | Paper |
| Fields of parallel vectors in a Riemannian geometry. | 1925-01-01 | Paper |
| Linear connections of a space which are determined by simply transitive continuous groups. | 1925-01-01 | Paper |
| Fields of parallel vectors in a Riemannian geometry. | 1925-01-01 | Paper |
| Geometries of paths for which the equations of the paths admit a quadratic first integral. | 1924-01-01 | Paper |
| Spaces of continuous matter in general relativity. | 1924-01-01 | Paper |
| Geometries of paths for which the equations of the paths admit a quadratic first integral. | 1924-01-01 | Paper |
| Space-time continua of perfect fluids in general relativity. | 1924-01-01 | Paper |
| Transformations of surfaces. | 1923-01-01 | Paper |
| Orthogonal systems of hypersurfaces in a general Riemann space. | 1923-01-01 | Paper |
| Symmetric tensors of the second order whose first covariant derivatives are zero. | 1923-01-01 | Paper |
| Another interpretation of the fundamental gangevector of Weyl's theory of relativity. | 1923-01-01 | Paper |
| The geometry of paths and general relativity. | 1923-01-01 | Paper |
| Affine geometries of paths possessing an invariant integral. | 1923-01-01 | Paper |
| Einstein static fields which admit a continuous group \(G_2\) of transformations into themselves. | 1922-01-01 | Paper |
| The Riemann geometry and its generalization. | 1922-01-01 | Paper |
| Ricci's principal directions for a Riemann space and the Einstein theory. | 1922-01-01 | Paper |
| Fields of parallel vectors in the geometry of paths. | 1922-01-01 | Paper |
| Spaces with corresponding paths. | 1922-01-01 | Paper |
| Condition that a tensor be the curl of a vector. | 1922-01-01 | Paper |
| The Einstein solar field. | 1921-01-01 | Paper |
| A geometric characterization of the paths of particles in the gravitational field of a mass at rest. | 1921-01-01 | Paper |
| The Einstein solar field. | 1921-01-01 | Paper |
| Einstein static fields admitting a group \(G_2\) of continuous transformations into themselves. | 1921-01-01 | Paper |
| Sulle trasformazioni \(T\) dei sistemi tripli coniugati di superficie. | 1921-01-01 | Paper |
| Conjugate nets \(R\) and their transformations. | 1921-01-01 | Paper |
| Conjugate systems of curves \(R\) and their transformations. | 1920-01-01 | Paper |
| The permanent gravitational field in the Einstein theory. | 1920-01-01 | Paper |
| Darboux's Anteil an der Geometrie. | 1919-01-01 | Paper |
| Transformations of surfaces applicable to a quadric. | 1919-01-01 | Paper |
| Triply conjugate systems with equal point invariants. | 1919-01-01 | Paper |
| \textit{Darboux}'s contribution to geometry. | 1918-01-01 | Paper |
| Transformations of planar nets. | 1918-01-01 | Paper |
| Surfaces which can be generated in more than one way by the motion of an invariable curve. | 1918-01-01 | Paper |
| Triads of transformation of conjugate systems of curves. | 1917-01-01 | Paper |
| Transformations \(T\) of conjugate systems of curves on a surface. | 1917-01-01 | Paper |
| Conjugate planar nets with equal invariants. | 1917-01-01 | Paper |
| Certain surfaces of \textit{Voss} and surfaces associated with them. | 1917-01-01 | Paper |
| Envelopes of rolling and transformations of Ribaucour. -- Ruled surfaces generated by the motion of an invariable curve. -- Transformations of conjugate systems with equal point invariants. -- Deformations of transformations of Ribaucour. -- Theory of transformations \(T\) of conjugate Systems. -- Conjugate planar nets with equal invariants. -- Transformations of planar nets with equal invariants. -- Transformations of applicable conjugate nets of curves on surfaces. | 1916-01-01 | Paper |
| Deformations of transformations of Ribaucour. | 1916-01-01 | Paper |
| Transformations of surfaces \(\varOmega\). (Second memoir.). | 1916-01-01 | Paper |
| Deformable transformations of \textit{Ribaucour}. | 1916-01-01 | Paper |
| Transformations of applicable conjugate nets of curves on surfaces. | 1916-01-01 | Paper |
| Conjugate systems with equal point invariants. | 1916-01-01 | Paper |
| Surfaces generated by the motion of an invariable curve whose points describe straight lines. | 1916-01-01 | Paper |
| Transformations of conjugate systems with equal invariants. | 1915-01-01 | Paper |
| Sulle superficie di rotolamento e le trasformazioni di \textit{Ribaucour}. | 1915-01-01 | Paper |
| Conjugate systems with equal tangential invariants and the transformation of \textit{Moutard}. | 1915-01-01 | Paper |
| Surfaces with isothermal representation of their lines of curvature as envelopes of rolling. | 1915-01-01 | Paper |
| Transformation of surfaces \(\Omega\). | 1915-01-01 | Paper |
| One-parameter families of curves. | 1915-01-01 | Paper |
| Surfaces \(\Omega\) and their transformations. | 1915-01-01 | Paper |
| Surfaces of rolling and transformations of \textit{Ribaucour}. | 1915-01-01 | Paper |
| Transformations of conjugate systems with equal point invariants. | 1914-01-01 | Paper |
| Transformations of surfaces of \textit{Voss}. | 1914-01-01 | Paper |
| Transformations of surfaces of \textit{Guichard} and surfaces applicable to quadrics. | 1914-01-01 | Paper |
| Certain continuous deformations of surfaces applicable to the quadrics. | 1913-01-01 | Paper |
| Transformations of surfaces of \textit{Guichard}. | 1913-01-01 | Paper |
| Certain continuous deformations of surfaces applicable to the quadrics. | 1913-01-01 | Paper |
| Congruences of minimal lines in a four-space. | 1912-01-01 | Paper |
| Ruled surfaces with isotropie generators. | 1912-01-01 | Paper |
| Minimal surfaces in \textit{Euclid}ean four--space. | 1912-01-01 | Paper |
| Sopra le deformazioni continue delle superficie reali applicabili sul paraboloide a parametro puramente immaginario. | 1912-01-01 | Paper |
| Conjugate systems and envelopes of spheres. | 1911-01-01 | Paper |
| Minimal surfaces in plane four-space. | 1911-01-01 | Paper |
| A fundamental parametric representation of space curves. | 1911-01-01 | Paper |
| Surfaces with isothermal representation of their lines of curvature and their transformations. (Second memoir.). | 1910-01-01 | Paper |
| The twelve surfaces of \textit{Darboux} and the transformation of \textit{Moutard}. | 1910-01-01 | Paper |
| Congruences of the elliptic type. | 1910-01-01 | Paper |
| A treatise on the differential geometry of curves and surfaces. | 1910-01-01 | Paper |
| A treatise on the differential geometry of curves and surfaces. | 1909-01-01 | Paper |
| Surfaces with isothermal representation of their lines of curvature and their transformations. | 1908-01-01 | Paper |
| Surfaces with the same spherical representation of their lines of curvature as sphericals surfaces. | 1908-01-01 | Paper |
| Certain triply orthogonal systems of surfaces. | 1907-01-01 | Paper |
| Applicable surfaces with asymptotic lines of one surface corresponding to a conjugate system of another. | 1907-01-01 | Paper |
| Certain surfaces with plane of spherical lines of curvature. | 1906-01-01 | Paper |
| Associate surfaces. | 1906-01-01 | Paper |
| Transformations of minimal surfaces. | 1906-01-01 | Paper |
| On the deformation of surfaces of translation. | 1905-01-01 | Paper |
| Surfaces of constant curvature and their transformations. | 1905-01-01 | Paper |
| Surfaces with the same spherical representation of their lines of curvature as pseudospherical surfaces. | 1905-01-01 | Paper |
| Surfaces analogous to the surfaces of \textit{Bianchi}. | 1905-01-01 | Paper |
| Three particular systems of lines on a surface. | 1904-01-01 | Paper |
| Isothermal-conjugate Systems of lines on surfaces. | 1903-01-01 | Paper |
| Surfaces whose lines of curvature in one system represented on the sphere by great circles. | 1903-01-01 | Paper |
| Surfaces of constant mean curvature. | 1903-01-01 | Paper |
| Congruences of curves. | 1903-01-01 | Paper |
| Surfaces referred to their lines of length zero. | 1902-01-01 | Paper |
| Lines of length zero on surfaces. | 1902-01-01 | Paper |
| Infinitesinnal deformation of the skew helicoid. | 1902-01-01 | Paper |
| Conjugate rectilinear congruences. | 1902-01-01 | Paper |
| Note on isotropic congruences. | 1902-01-01 | Paper |
| A demonstration of the impossibility of a triply asymptotic system of surfaces. | 1901-01-01 | Paper |
| Surfaces whose first and second fundamental forms are the second and first respectively of another surface. | 1901-01-01 | Paper |
| Possible triply asymptotic systems of surfaces. | 1900-01-01 | Paper |
