TY - JOUR AU - M. N. Feller TI - On the solvability of infinite-dimensional elliptic equations with constant coefficients JO - Doklady Akademii Nauk PY - 1974 SP - 59 EP - 62 VL - 214 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DAN_1974_214_1_a13/ LA - ru ID - DAN_1974_214_1_a13 ER -