| Publication | Date of Publication | Type |
|---|
| https://portal.mardi4nfdi.de/entity/Q5026931 | 2022-02-08 | Paper |
| Maximal n-generated subdirect products | 2016-03-30 | Paper |
| Fully invariant and verbal congruence relations | 2013-09-09 | Paper |
| Upper bounds on the sizes of finitely generated algebras | 2011-12-01 | Paper |
| Varieties with few subalgebras of powers | 2010-03-31 | Paper |
| In memory of Willem Johannes Blok 1947-2003 | 2006-10-27 | Paper |
| Algebras defined from ordered sets and the varieties they generate | 2006-09-14 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3365834 | 2006-02-13 | Paper |
| Generative complexity in algebra | 2005-06-30 | Paper |
| In Memoriam: Willem Johannes Blok 1947–2003 | 2005-05-24 | Paper |
| Free Łukasiewicz and hoop residuation algebras | 2005-04-07 | Paper |
| COUNTING FINITE ALGEBRAS IN THE POST VARIETIES | 2002-12-15 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4544373 | 2002-08-04 | Paper |
| Irreducible elements and uniquely generated algebras | 2002-05-15 | Paper |
| The probability of triviality | 2000-02-27 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4700367 | 2000-02-22 | Paper |
| Algorithms for categorical equivalence | 1999-06-28 | Paper |
| Finite distributive lattices and doubly irreducible elements | 1998-11-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4896521 | 1997-03-16 | Paper |
| Morita equivalence of almost-primal clones | 1996-10-24 | Paper |
| FREE SPECTRA GAPS AND TAME CONGRUENCE TYPES | 1996-03-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4320675 | 1995-02-02 | Paper |
| On the Number of Operations in a Clone | 1994-11-16 | Paper |
| An approach to tame congruence theory via subtraces | 1994-07-04 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4273474 | 1994-01-13 | Paper |
| The set of types of a finitely generated variety | 1993-08-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4019366 | 1993-01-16 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3351419 | 1990-01-01 | Paper |
| Finite algebras with large free spectra | 1989-01-01 | Paper |
| Generalizations of Tarski's fixed point theorem for order varieties of complete meet semilattices | 1989-01-01 | Paper |
| Positive Boolean dependencies | 1988-01-01 | Paper |
| Free spectra of nilpotent varieties | 1987-01-01 | Paper |
| The Fraser-Horn and Apple Properties | 1987-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3777999 | 1987-01-01 | Paper |
| Extending Algebras to Model Congruence Schemes | 1986-01-01 | Paper |
| Enumerating fuzzy switching functions and free Kleene algebras | 1984-01-01 | Paper |
| Clones satisfying the term condition | 1984-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3666911 | 1983-01-01 | Paper |
| A combinatorial fact about free algebras | 1982-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3968992 | 1982-01-01 | Paper |
| Interval lattices and the amalgamation property | 1981-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3947709 | 1981-01-01 | Paper |
| Free lattices in some small varieties | 1980-01-01 | Paper |
| A proof of Lyndon's finite basis theorem | 1980-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3325700 | 1980-01-01 | Paper |
| Uniform representations of congruence schemes | 1978-01-01 | Paper |
| Distributive lattices with an additional unary operation | 1977-01-01 | Paper |
| Optimizing the Arrangement of Points on the Unit Sphere | 1977-01-01 | Paper |
| A model theoretic approach to Malcev conditions | 1977-01-01 | Paper |
| Varieties and finite closure conditions | 1976-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4126378 | 1976-01-01 | Paper |
| Algebras with modular lattice reducts and simple subdirectly irreducibles | 1975-01-01 | Paper |
| The number of subdirectly irreducible algebras in a variety | 1975-01-01 | Paper |
| The Kuratowski Closure-Complement Problem | 1975-01-01 | Paper |
| A note on homogeneous lattices | 1975-01-01 | Paper |
| Finitely generated pseudocomplemented distributive lattices | 1975-01-01 | Paper |
| Homogeneous lattices and lattice-ordered groups | 1974-01-01 | Paper |
| Congruence relations of pseudocomplemented distributive lattices | 1973-01-01 | Paper |
| Sublattices of intervals in relatively free lattices | 1972-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5632609 | 1972-01-01 | Paper |
| On the Congruence Lattices of Unary Algebras | 1972-01-01 | Paper |
| On the length of the congruence lattice of a lattice | 1972-01-01 | Paper |
| Strong congruence lattices of finite partial algebras | 1971-01-01 | Paper |
| Volumes of polyhedra inscribed in the unit sphere in \(E^3\) | 1970-01-01 | Paper |
