Schreier-Zassenhaus theorem for algebras. II
Some remarks on distributive groupoids
Span in incidence structures of independent sets defined on projective space
Special incidence structures of type
Special incidence structures of type . II.
Statistical linear spaces. I. Properties of , -topology
Statistical linear spaces. II. Strongest -norm
Structures Algebraiques munis, avec des lois de composition generalisees - Generalisations du produit scalaire
Subtraction semigroups
A subtraction semigroup is a semigroup with a further operation "" added, called subtraction and satisfying certain axioms. The paper concerns a problem by B. M. Schein concerning the structure of multiplication in a subtraction semigroup.
Subtractive groupoids and TST-spaces