| Publication | Date of Publication | Type |
|---|
| Some Semigroup Laws in Groups | 2003-08-24 | Paper |
| Ensuring commutativity of finite groups | 2002-07-24 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4527163 | 2001-10-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4495704 | 2001-01-09 | Paper |
| A problem of Grätzer and Wehrung on groups | 2000-03-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3123503 | 1997-08-21 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4881079 | 1997-01-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4840264 | 1995-08-10 | Paper |
| A Large Nilpotent Group without Large Abelian Subgroups | 1995-04-23 | Paper |
| Laws in a class of groupoids | 1992-06-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3199621 | 1990-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3815472 | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3815473 | 1989-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3784027 | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3798840 | 1988-01-01 | Paper |
| Yet another single law for groups | 1986-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3679378 | 1985-01-01 | Paper |
| Augustus de Morgan | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3708175 | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3222366 | 1983-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3948234 | 1982-01-01 | Paper |
| Another single law for groups | 1981-01-01 | Paper |
| Not quite inner automorphisms | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3877855 | 1980-01-01 | Paper |
| More Fibonacci varieties | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4177644 | 1979-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3050618 | 1978-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3208861 | 1978-01-01 | Paper |
| Some Group Presentations | 1978-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4100111 | 1976-01-01 | Paper |
| A question of Babai on groups | 1975-01-01 | Paper |
| Questions and examples on group coverings | 1975-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4773860 | 1974-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4402148 | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5595194 | 1973-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5631149 | 1971-01-01 | Paper |
| On Finite Groups With ‘Hidden’ Primes | 1971-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5595193 | 1971-01-01 | Paper |
| Some remarks on cancellative semigroups | 1970-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5617785 | 1970-01-01 | Paper |
| On Characteristic Morphisms: In Memoriam Thomas Macfarland Cherry | 1969-01-01 | Paper |
| Semigroups with few endomorphisms | 1969-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5582330 | 1969-01-01 | Paper |
| Lectures on topics in the theory of infinite groups. Reissued | 1968-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5542143 | 1968-01-01 | Paper |
| Some Remarks on Semigroup Presentations | 1968-01-01 | Paper |
| Varieties of groups | 1967-01-01 | Paper |
| A third-Engel 5-group | 1967-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5583872 | 1967-01-01 | Paper |
| On characteristic subgroups of free groups | 1966-01-01 | Paper |
| A semi group representation of varieties of algebras | 1966-01-01 | Paper |
| Supplements of direct powers in cartesian powers | 1965-01-01 | Paper |
| Boolean powers of simple groups | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5507613 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5507614 | 1965-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5507619 | 1965-01-01 | Paper |
| Subsemigroups of nilpotent groups: an acknowledgement | 1964-01-01 | Paper |
| Felix Adalbert Behrend | 1964-01-01 | Paper |
| On varieties generated by a finitely generated group | 1964-01-01 | Paper |
| Subsemigroups of nilpotent groups | 1963-01-01 | Paper |
| Twisted wreath products of groups | 1963-01-01 | Paper |
| Felix Adalbert Behrend | 1963-01-01 | Paper |
| A Further Note on Means in Groups | 1963-01-01 | Paper |
| Monotone functions mapping the set of rational numbers on itself | 1963-01-01 | Paper |
| On a theorem of Auslander and Lyndon | 1962-01-01 | Paper |
| Wreath products and varieties of groups | 1962-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5336356 | 1962-01-01 | Paper |
| Some Sylow subgroups | 1961-01-01 | Paper |
| Embedding Theorems for Semigroups | 1960-01-01 | Paper |
| On amalgams of periodic groups | 1960-01-01 | Paper |
| Permutational products of groups | 1960-01-01 | Paper |
| Embedding Theorems for Ordered Groups | 1960-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5341826 | 1960-01-01 | Paper |
| Embedding Theorems for Groups | 1959-01-01 | Paper |
| Some Unsolvable Problems about Elements and Subgroups of Groups. | 1959-01-01 | Paper |
| Ascending verbal and Frattini series | 1958-01-01 | Paper |
| Isomorphism of Sylow Subgroups of Infinite Groups. | 1958-01-01 | Paper |
| Finite extensions of fully ordered groups | 1957-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3243305 | 1957-01-01 | Paper |
| Groups with automorphisms that leave only the neutral element fixed | 1956-01-01 | Paper |
| On a question of Gaschütz | 1956-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3232304 | 1956-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3232308 | 1956-01-01 | Paper |
| On a Conjecture of Hanna Neumann | 1956-01-01 | Paper |
| On the order of the automorphism group of a finite group. II | 1956-01-01 | Paper |
| Groups with finite classes of conjugate subgroups | 1955-01-01 | Paper |
| On the order of the automorphism group of a finite group. I | 1955-01-01 | Paper |
| On Two Questions of Itô | 1954-01-01 | Paper |
| Groups Covered By Permutable Subsets | 1954-01-01 | Paper |
| An Embedding Theorem for Algebric Systems | 1954-01-01 | Paper |
| An essay on free products of groups with amalgamations | 1954-01-01 | Paper |
| Partial Endomorphisms of Finite Groups | 1954-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5830671 | 1954-01-01 | Paper |
| On Varieties of Groupoids and Loops | 1953-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5818498 | 1953-01-01 | Paper |
| On a Problem of Hopf | 1953-01-01 | Paper |
| A Contribution to the Embedding Theory of Group Amalgams | 1953-01-01 | Paper |
| A Note on Means in Groups | 1953-01-01 | Paper |
| On a class of Abelian groups | 1953-01-01 | Paper |
| A Note on Algebraically Closed Groups | 1952-01-01 | Paper |
| Extending Partial Endomorphisms of Groups | 1952-01-01 | Paper |
| Zwei Klassen charakteristischer Untergruppen und ihre Faktorgruppen | 1951-01-01 | Paper |
| Groups with Finite Classes of Conjugate Elements (In Memoriam Issai Schur) | 1951-01-01 | Paper |
| Embedding Non-Associative Rings in Division Rings | 1951-01-01 | Paper |
| Embedding Theorems for Groups | 1950-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5793370 | 1950-01-01 | Paper |
| A Remark on Generalized Free Products | 1950-01-01 | Paper |
| A Two-Generator Group Isomorphic to a Proper Factor Group | 1950-01-01 | Paper |
| On Ordered Groups | 1949-01-01 | Paper |
| On Ordered Division Rings | 1949-01-01 | Paper |
| On An Invariant of Plane Regions and Mass Distributions | 1945-01-01 | Paper |
| On the Number of Generators of a Free Product | 1943-01-01 | Paper |
| Adjunction of Elements To Groups | 1943-01-01 | Paper |
| A Remark on Polygons | 1942-01-01 | Paper |
| A remark on polygons. | 1942-01-01 | Paper |
| Some Remarks on Polygons† | 1941-01-01 | Paper |
| Some remarks on polygons. | 1941-01-01 | Paper |
| On the Commutativity of Addition | 1940-01-01 | Paper |
| On the commutativity of addition. | 1940-01-01 | Paper |
| On Some Affine Invariants of Closed Convex Regions | 1939-01-01 | Paper |
| On some affine invariants of closed convex regions. | 1939-01-01 | Paper |
| Some Remarks on Infinite Groups | 1937-01-01 | Paper |
| Groups Whose Elements Have Bounded Orders | 1937-01-01 | Paper |
| Identical relations in groups. I. | 1937-01-01 | Paper |
| Some remarks on infinite groups. | 1937-01-01 | Paper |
| Groups whose elements have bounded orders. | 1937-01-01 | Paper |
| Identical relations in groups. | 1937-01-01 | Paper |
| Identical relations in groups. I | 1937-01-01 | Paper |
| Aufgabe 188 (gestellt in Jber. Deutsche Math.-Verein. 45 (1935), 22 kursiv). Lösung von H. Richter. | 1936-01-01 | Paper |
| Decomposition of groups. | 1935-01-01 | Paper |
| A remark on primary ideals. | 1935-01-01 | Paper |
| A Remark on Primary Ideals | 1935-01-01 | Paper |
| Über ein gruppentheoretisch-arithmetisches Problem. | 1933-01-01 | Paper |
| Matrizenkalkül in der Booleschen Algebra. | 1933-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4753009 | 1933-01-01 | Paper |
| Die Automorphismengruppe der freien Gruppen. | 1932-01-01 | Paper |
| Die Automorphismengruppe der freien Gruppen | 1932-01-01 | Paper |
