TY - JOUR AU - L. V. Ovsyannikov TI - A nonlinear Cauchy problem in a scale of Banach spaces JO - Doklady Akademii Nauk PY - 1971 SP - 789 EP - 792 VL - 200 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1971_200_4_a9/ LA - ru ID - DAN_1971_200_4_a9 ER -