%0 Journal Article %A V. A. Mikhailets %T A precise estimate of the remainder of an asymptotic spectral series of general elliptic boundary-value problems %J Funkcionalʹnyj analiz i ego priloženiâ %D 1989 %P 65-66 %V 23 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/FAA_1989_23_2_a10/ %G ru %F FAA_1989_23_2_a10