TY - JOUR AU - A. I. Mal'tsev TI - The structural characteristic of some classes of algebras JO - Doklady Akademii Nauk PY - 1958 SP - 29 EP - 32 VL - 120 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_120_1_a5/ LA - ru ID - DAN_1958_120_1_a5 ER -