%0 Journal Article %A D. V. Kapanadze %T On a nonlocal Bitsadze--Samarski{\v\i} boundary value problem %J Differencialʹnye uravneniâ %D 1987 %P 543-545 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1987_23_3_a32/ %G ru %F DE_1987_23_3_a32