| Publication | Date of Publication | Type |
|---|
| Mathematical Aspects of Hodgkin-Huxley Neural Theory | 2008-07-03 | Paper |
| Ordinary Differential Equations | 2008-04-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4233682 | 1999-03-16 | Paper |
| Entrainment of frequency in singularly perturbed systems | 1997-03-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4877734 | 1996-09-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4303530 | 1994-08-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3976696 | 1992-06-26 | Paper |
| Electrically active cells and singular perturbation theory | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3755268 | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3763936 | 1987-01-01 | Paper |
| Mathematical Aspects of Hodgkin-Huxley Neural Theory | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3896874 | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3950357 | 1981-01-01 | Paper |
| Erratum to bifurcation of periodic solutions | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3866411 | 1980-01-01 | Paper |
| A criterion for asymptotic stability | 1980-01-01 | Paper |
| A criterion for asymptotic stability | 1980-01-01 | Paper |
| Bifurcation of periodic solutions | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3898836 | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3913716 | 1978-01-01 | Paper |
| Mathematical aspects of periodic catatonic schizophrenia | 1977-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4142076 | 1977-01-01 | Paper |
| Some Mathematics of Biological Oscillations | 1977-01-01 | Paper |
| Periodic solutions in n dimensions and Volterra equations | 1975-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4075820 | 1975-01-01 | Paper |
| Mathematical model of aneurysm of the circle of Willis. II: A qualitative analysis of the equation of Austin | 1974-01-01 | Paper |
| Quasilinear equations and equations with large nonlinearities | 1974-01-01 | Paper |
| A MATHEMATICAL MODEL FOR CATATONIC SCHIZOPHRENIA* | 1974-01-01 | Paper |
| Equations with bounded nonlinearities | 1973-01-01 | Paper |
| Biomathematical model of aneurysm of the circle of Willis: a qualitative analysis of the differential equation of Austin | 1973-01-01 | Paper |
| The Danziger-Elmergreen theory of periodic catatonic schizophrenia | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5669108 | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5669109 | 1973-01-01 | Paper |
| Eigenvalues of some nonlinear operators | 1972-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5686355 | 1972-01-01 | Paper |
| One-sided bifurcation points | 1971-01-01 | Paper |
| A condition for openness | 1971-01-01 | Paper |
| Topological degree and the number of solutions of equations | 1971-01-01 | Paper |
| Quasilinear Systems with Several Periodic Solutions | 1971-01-01 | Paper |
| A stability criterion | 1971-01-01 | Paper |
| Erratum. Using Leray-Schauder degree | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5635915 | 1970-01-01 | Paper |
| Using Leray-Schauder degree | 1969-01-01 | Paper |
| Functional equations with several solutions | 1969-01-01 | Paper |
| Periodic solutions of some nonlinear differential equations | 1967-01-01 | Paper |
| Recurrent solutions of some autonomous equations | 1967-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5532674 | 1967-01-01 | Paper |
| WHYBURN'S CONJECTURE FOR SOME DIFFERENTIABLE MAPS | 1966-01-01 | Paper |
| The point at infinity and periodic solutions | 1965-01-01 | Paper |
| Translational Symmetry and Zero-Mass Excitations | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5512838 | 1964-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5547787 | 1964-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5727924 | 1964-01-01 | Paper |
| Almost periodic solutions and critical roots | 1962-01-01 | Paper |
| A topological method in nonlinear resonance | 1961-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3280268 | 1961-01-01 | Paper |
| Families of Solutions of a Perturbation Problem | 1961-01-01 | Paper |
| The number of periodic solutions of non-autonomous systems | 1960-01-01 | Paper |
| An upper bound for the number of periodic solutions of a perturbed system | 1960-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3284060 | 1960-01-01 | Paper |
| Note to Poincaré's perturbation method | 1959-01-01 | Paper |
| Some Mappings with Topological Degree Zero | 1957-01-01 | Paper |
| The Dirichlet problem for nonlinear elliptic equations | 1955-01-01 | Paper |
| Topological Degree of Some Mappings | 1954-01-01 | Paper |
| Branch Points of Solutions of Equations in Banach Space. II | 1954-01-01 | Paper |
| Analytic functional mappings | 1953-01-01 | Paper |
| A Definition of Degree for Certain Mappings in Hilbert Space | 1951-01-01 | Paper |
| The Existence of Multiple Solutions of Elliptic Differential Equations | 1950-01-01 | Paper |
| Branch Points of Solutions of Equations in Banach Space | 1950-01-01 | Paper |