%0 Journal Article
%A А. М. Slobodskoi
%A E. I. Fridman
%T Undecidable universal theories of lattices of subgroups of abelian
%J Algebra i logika
%D 1976
%P 227-234
%V 15
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1976_15_2_a5/
%G ru
%F AL_1976_15_2_a5