TY - JOUR AU - V. A. Osipova TI - The word problem for finitely defined semigroups JO - Doklady Akademii Nauk PY - 1968 SP - 1017 EP - 1020 VL - 178 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1968_178_5_a7/ LA - ru ID - DAN_1968_178_5_a7 ER -