On Ostrowski's fundamental existence theorem. M.D. Presic — 1978 Publications de l'Institut Mathématique [Elektronische Ressource]
On Ostrowski's fundamental existence theorem in the complex case. M.D. Presic — 1979 Publications de l'Institut Mathématique [Elektronische Ressource]
On free commutative groupoids. M.D. Presic — 1980 Publications de l'Institut Mathématique [Elektronische Ressource]
On the greatest congruence of relations. M.D. Presic — 1979 Publications de l'Institut Mathématique [Elektronische Ressource]
On the embedding of ...-algebras in groupoids. M.D. Presic; S.B. Presic — 1977 Publications de l'Institut Mathématique [Elektronische Ressource]