%0 Journal Article %A Ya. V. Kurylev %T On the asymptotics of the spectral function of a second-order elliptic differential operator %J Doklady Akademii Nauk %D 1979 %P 281-285 %V 244 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1979_244_2_a4/ %G ru %F DAN_1979_244_2_a4