%0 Journal Article %A Gurchenkov, Sergei A. %T About varieties of weakly abelian $\ell$-groups %J Mathematica slovaca %D 1992 %P 437-441 %V 42 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/MASLO_1992__42_4_a5/ %G en %F MASLO_1992__42_4_a5