TY - JOUR AU - A. I. Mal'tsev TI - Elementary theories of locally free universal algebras JO - Doklady Akademii Nauk PY - 1961 SP - 1009 EP - 1012 VL - 138 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_138_5_a5/ LA - ru ID - DAN_1961_138_5_a5 ER -