TY - JOUR AU - É. V. Nikol'skii TI - Generalized functionally invariant solutions of a vector equation JO - Doklady Akademii Nauk PY - 1990 SP - 27 EP - 31 VL - 311 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1990_311_1_a4/ LA - ru ID - DAN_1990_311_1_a4 ER -