%0 Journal Article %A V. E. Shatalov %A I. A. Shishmarev %T Dirichlet series for elliptic operators %J Doklady Akademii Nauk %D 1968 %P 1280-1282 %V 182 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1968_182_6_a10/ %G ru %F DAN_1968_182_6_a10