A nil-extension of a completely simple semigroup.
On commuting generalized inverses in semigroups.
On (2,2) modular law for ternary GD-groupoids
A New Proof Of Belousov's Theorem For A Special Law Of Quasigroup Operations
A Proof And An Extension Of A Theorem Of G. Birkoff
On A Class Of Anti-Inverse Semigroups
Semigroups in Which some Ideal is a Completely Simple Semigroup
Anti-Inverse Semigroups
Inflation of Semigroups
On Modular Law for Ternary -Groupoids
Pravougli koordinatni sistem
Page 1