%0 Journal Article
%A V. M. Kopytov
%A N. Ya. Medvedev
%T Varieties of lattice-ordered groups
%J Algebra i logika
%D 1977
%P 417-423
%V 16
%N 4
%I mathdoc
%U http://geodesic.mathdoc.fr/item/AL_1977_16_4_a3/
%G ru
%F AL_1977_16_4_a3