%0 Journal Article %A A. L. Skubachevskii %T Nonlocal elliptic boundary value problems with degeneration %J Differencialʹnye uravneniâ %D 1983 %P 457-470 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1983_19_3_a9/ %G ru %F DE_1983_19_3_a9