TY - JOUR AU - N. Ya. Medvedev TI - Soluble Groups and Varieties of $l$-Groups JO - Algebra i logika PY - 2005 SP - 355 EP - 367 VL - 44 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_2005_44_3_a4/ LA - ru ID - AL_2005_44_3_a4 ER -