%0 Journal Article %A A. I. Budkin %T The Lattice of Quasivarieties of Torsion-Free Metabelian Groups %J Algebra i logika %D 2003 %P 161-181 %V 42 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/AL_2003_42_2_a1/ %G ru %F AL_2003_42_2_a1