TY - JOUR AU - N. I. Ostrosablin TI - Eigenoperators and eigenvectors for a system of differential JO - Doklady Akademii Nauk PY - 1994 SP - 608 EP - 610 VL - 337 IS - 5 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1994_337_5_a12/ LA - ru ID - DAN_1994_337_5_a12 ER -