%0 Journal Article
%A S. Todorinov
%T Directed groups
%J Algebra i logika
%D 1971
%P 558-560
%V 10
%N 5
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1971_10_5_a5/
%G ru
%F AL_1971_10_5_a5