TY - JOUR AU - V. A. Osipova TI - On the conjugacy problem in semigroups JO - Informatics and Automation PY - 1973 SP - 169 EP - 182 VL - 133 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/TRSPY_1973_133_a15/ LA - ru ID - TRSPY_1973_133_a15 ER -