Darstellung nicht-injektiver Kollineationen eines projektiven Raumes durch verallgemeinerte semilineare Abbildungen.
Einbettung eines Halbgewebes in ein reguläres Gewebe und eines Halbgruppenpoids in eine Gruppen.
Report of Meeting: Seventh International Symposium on Functional Equations, September 1-13, 1969.
On Semi-Symmetric Quasigroups. (Short Communication).
Non-Injective Collineations on Some Sets in Desarguesian Projective Planes and Extension of Non-Commutative Valuations.
On Semi-Symmetric Quasigroups.
Non-Injective Collineations on Some Sets in Desarguesian Projective Planes and Extension of Non-Commutative Valuations. (Short Communication).
Mappings of Galois planes preserving the unit Euclidean distance.
Pexider's equation and aggregation of allocations.
Page 1