TY - JOUR AU - È. G. Shutov TI - Defining relations of finite semigroups of partial transformations JO - Doklady Akademii Nauk PY - 1960 SP - 1280 EP - 1282 VL - 132 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1960_132_6_a14/ LA - ru ID - DAN_1960_132_6_a14 ER -