TY - JOUR AU - I. I. Ibragimov AU - N. I. Nagnibida TI - On multiple completeness in the sense of M.\,V.~Keldys of a system of entire functions JO - Doklady Akademii Nauk PY - 1975 SP - 288 EP - 291 VL - 223 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1975_223_2_a6/ LA - ru ID - DAN_1975_223_2_a6 ER -