t. 1. Klassicheskai︠a︡ algebra.--t. 2. Matematicheskai︠a︡ logika i obshchai︠a︡ teorii︠a︡ algebraicheskikh sistem.

The discussion of problems of contradiction in the development of the socialist economy has not thus far brought scholars to an agreed opinion on this question. The thought has been expressed in this regard that to frame the question as one of defining a basic contradiction of socialism is false and that under socialism only partial and temporary contradictions can occur, which spring up and are resolved in various periods of the development of socialist society.