%0 Journal Article
%A A. I. Kokorin
%T Intersection and union of relatively convex subgroups of orderable
%J Algebra i logika
%D 1968
%P 48-50
%V 7
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1968_7_3_a4/
%G ru
%F AL_1968_7_3_a4