TY - JOUR AU - Yu. N. Valitskii TI - Well-posedness of a multipoint problem for a differential equation with operator coefficients JO - Doklady Akademii Nauk PY - 1986 SP - 1041 EP - 1043 VL - 286 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1986_286_5_a2/ LA - ru ID - DAN_1986_286_5_a2 ER -