TY - JOUR AU - V. A. Pliss TI - Eiserman's problem in the case of three simultaneous differential equations JO - Doklady Akademii Nauk PY - 1958 SP - 422 EP - 425 VL - 121 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1958_121_3_a6/ LA - ru ID - DAN_1958_121_3_a6 ER -