TY - JOUR AU - E. I. Grindlinger TI - Unsolvability of the problem of the identity of words for a class of semigroups with solvable isomorphism problem JO - Doklady Akademii Nauk PY - 1966 SP - 519 EP - 520 VL - 171 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1966_171_3_a3/ LA - ru ID - DAN_1966_171_3_a3 ER -