TY - JOUR AU - Kh. G. Umarov TI - The Cauchy problem in a Banach space for an analogue of a JO - Doklady Akademii Nauk PY - 1990 SP - 1352 EP - 1356 VL - 314 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_314_6_a16/ LA - ru ID - DAN_1990_314_6_a16 ER -