TY - JOUR AU - A. D. Bol'bot TI - Accessible varieties of quasigroups JO - Algebra i logika PY - 1973 SP - 22 EP - 30 VL - 12 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/AL_1973_12_1_a1/ LA - ru ID - AL_1973_12_1_a1 ER -