%0 Journal Article %A S. A. Gurchenkov %T On the theory of varieties of lattice-ordered groups %J Algebra i logika %D 1988 %P 249-273 %V 27 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_1988_27_3_a0/ %G ru %F AL_1988_27_3_a0