TY - JOUR AU - M. G. Gimadislamov TI - The eigenfunction expansion of non-selfadjoint systems of second-order differential equations JO - Doklady Akademii Nauk PY - 1961 SP - 19 EP - 22 VL - 140 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1961_140_1_a3/ LA - ru ID - DAN_1961_140_1_a3 ER -