%0 Journal Article
%A K. A. Zaretskii
%T Regular elements of the semigroup of binary relations
%J Trudy Matematicheskogo Instituta imeni V.A. Steklova
%D 1962
%V 17
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/RM_1962_17_3_a5/
%G ru
%F RM_1962_17_3_a5