TY - JOUR AU - Yu. I. Lyubich TI - Solvability conditions for the abstract Cauchy problem JO - Doklady Akademii Nauk PY - 1964 SP - 41 EP - 44 VL - 154 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_154_1_a9/ LA - ru ID - DAN_1964_154_1_a9 ER -