TY - JOUR AU - K. V. Valikov TI - Characteristic indices of solutions of differential equations in a Banach space JO - Doklady Akademii Nauk PY - 1964 SP - 1010 EP - 1013 VL - 158 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1964_158_5_a1/ LA - ru ID - DAN_1964_158_5_a1 ER -