TY - JOUR AU - A. I. Budkin TI - The Lattice of Quasivarieties of Torsion-Free Metabelian Groups JO - Algebra i logika PY - 2003 SP - 161 EP - 181 VL - 42 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2003_42_2_a1/ LA - ru ID - AL_2003_42_2_a1 ER -