%0 Journal Article
%A V. A. Roman'kov
%T Unsolvability of the problem of endomorphic reducibility in
%J Algebra i logika
%D 1977
%P 457-471
%V 16
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1977_16_4_a7/
%G ru
%F AL_1977_16_4_a7