%0 Journal Article %A M. V. Suchkov %T Some properties of spectral expansions corresponding to an elliptic selfadjoint operator with discontinuous coefficients %J Differencialʹnye uravneniâ %D 1983 %P 1585-1593 %V 19 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_9_a14/ %G ru %F DE_1983_19_9_a14