%0 Journal Article %A M. N. Feller %T On the solvability of infinite-dimensional selfadjoint elliptic equations %J Doklady Akademii Nauk %D 1975 %P 1046-1049 %V 221 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1975_221_5_a10/ %G ru %F DAN_1975_221_5_a10