%0 Journal Article %A R. R. Ashurov %A A. I. Bastis %T The spectral function of an elliptic differential operator with constant principal part %J Doklady Akademii Nauk %D 1984 %P 1289-1291 %V 274 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1984_274_6_a0/ %G ru %F DAN_1984_274_6_a0