19.09.2013 - Yakymiv R. Ya. defended his PhD dissertation "Representation of commutative relations with orthogonality conditions and their generalizations", scientific advisor Dr. Proskurin D.P.
19.09.2013 - Yakymiv R. Ya. defended his PhD dissertation "Representation of commutative relations with orthogonality conditions and their generalizations", scientific advisor Dr. Proskurin D.P.