| Publication | Date of Publication | Type |
|---|
| In memoriam: Helmut Karzel (1928--2021) | 2022-10-04 | Paper |
| Obituary: Martin Barner (1921--2020) | 2021-08-09 | Paper |
| Obituary: Walter Benz (1931--2017) | 2017-05-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3101903 | 2011-12-01 | Paper |
| Closure spaces of finite type | 2011-06-22 | Paper |
| Exchange properties in closure spaces | 2011-02-03 | Paper |
| Spaces with congruence | 2008-01-30 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5431964 | 2008-01-02 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5426837 | 2007-11-13 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5488176 | 2006-09-13 | Paper |
| E-locally cyclic abelian groups and maximal near-rings of mappings | 2006-03-30 | Paper |
| Linear spaces with many projective planes | 2004-09-22 | Paper |
| A characterization of Bol left loops. | 2004-03-25 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4441820 | 2004-01-08 | Paper |
| Linear spaces with projective lines | 2002-12-02 | Paper |
| Forcing linearity numbers for injective modules over PID's | 2002-05-07 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4946737 | 2001-05-28 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4505222 | 2000-09-26 | Paper |
| A characterization of projective spaces by a set of planes | 2000-04-11 | Paper |
| Forcing linearity numbers for modules over PID's | 2000-01-01 | Paper |
| Projective embedding of projective spaces | 1999-12-06 | Paper |
| On isomorphisms of Grassmann spaces | 1999-12-06 | Paper |
| Characterization of harmoniously halfordered planes | 1998-12-03 | Paper |
| Full ideals of polynomial rings | 1998-10-11 | Paper |
| Inner mappings of Bruck loops | 1998-09-22 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4368961 | 1998-05-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4878784 | 1997-10-26 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3126722 | 1997-07-20 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691393 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691396 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691401 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691411 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691415 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691417 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691422 | 1997-03-11 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691407 | 1997-03-06 | Paper |
| https://portal.mardi4nfdi.de/entity/Q5691412 | 1997-03-06 | Paper |
| Locally projective spaces which satisfy the bundle theorem | 1997-01-09 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4878785 | 1996-11-27 | Paper |
| On the definition of isomorphisms of linear spaces | 1996-08-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4858002 | 1996-06-02 | Paper |
| Convexity in halfordered planes | 1996-02-01 | Paper |
| Basis preserving maps of linear spaces | 1995-07-03 | Paper |
| Projective embedding of \([0,m\)-spaces] | 1995-04-04 | Paper |
| Projective embedding of not locally projective spaces | 1995-02-26 | Paper |
| On \(K\)-loops of finite order | 1995-01-05 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4283573 | 1994-02-21 | Paper |
| Semiaffine spaces | 1993-12-02 | Paper |
| \(K\)-loops and Bruck loops on \(\mathbb{R}\times\mathbb{R}\) | 1993-10-13 | Paper |
| Examples of finite and infinite \(K\)-loops | 1993-10-11 | Paper |
| Free modules over Hjelmslev rings in which not every maximal linearly independent subset is a basis | 1993-01-17 | Paper |
| https://portal.mardi4nfdi.de/entity/Q4000951 | 1992-09-26 | Paper |
| A remark on polar geometry | 1992-06-28 | Paper |
| A system of axioms for projective Hjelmslev spaces | 1991-01-01 | Paper |
| Zur Konstruktion des Bündelraumes. (On the construction of the bundle space) | 1990-01-01 | Paper |
| Klassifizierung endlicher halbgeordneter Ebenen. (On the classification of finite halfordered planes) | 1989-01-01 | Paper |
| Halbgeordnete Ebenen. (On halfordered planes) | 1989-01-01 | Paper |
| Zur Einbettung von Inzidenzräumen und angeordneten Räumen. (On the embedding of incidence spaces and ordered spaces) | 1989-01-01 | Paper |
| Zur Abhängigkeit von Anordnungsaxiomen. (On relations between axioms of betweenness) | 1988-01-01 | Paper |
| Klassifizierung von Halbordnungen. (On classifications of halforderings) | 1988-01-01 | Paper |
| https://portal.mardi4nfdi.de/entity/Q3834610 | 1988-01-01 | Paper |
| Hjelmslev-Räume. (Hjelmslev spaces) | 1987-01-01 | Paper |
