TY - JOUR AU - A. I. Vahabov TI - On incompleteness of the system of eigenelements of differential operators in a space of vector-valued functions JO - Doklady Akademii Nauk PY - 1983 SP - 17 EP - 19 VL - 271 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1983_271_1_a2/ LA - ru ID - DAN_1983_271_1_a2 ER -