%0 Journal Article %A D. V. Kapanadze %T A nonlocal boundary value problem in an exterior domain %J Differencialʹnye uravneniâ %D 1992 %P 1381-1386 %V 28 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_8_a11/ %G ru %F DE_1992_28_8_a11