TY - JOUR AU - L. Máté TI - On the semigroup of operators in a Fr\'echet space JO - Doklady Akademii Nauk PY - 1962 SP - 1247 EP - 1250 VL - 142 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1962_142_6_a7/ LA - ru ID - DAN_1962_142_6_a7 ER -