%0 Journal Article
%A V. M. Kopytov
%T The solvability of the occurrence problem in finitely generated
%J Algebra i logika
%D 1968
%P 53-63
%V 7
%N 6
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1968_7_6_a1/
%G ru
%F AL_1968_7_6_a1