%0 Journal Article %A S. V. Morozova %T Basis ranks of solvable quasi-varieties of groups and $\ell$-groups %J Algebra i logika %D 2000 %P 586-594 %V 39 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2000_39_5_a4/ %G ru %F AL_2000_39_5_a4