%0 Journal Article %A M. N. Feller %T On the solvability of infinite-dimensional elliptic equations with constant coefficients %J Doklady Akademii Nauk %D 1974 %P 59-62 %V 214 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1974_214_1_a13/ %G ru %F DAN_1974_214_1_a13