%0 Journal Article %A V. A. Pukhlii %T An approach to the solution of boundary value problems of mathematical physics %J Differencialʹnye uravneniâ %D 1979 %P 2039-2043 %V 15 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1979_15_11_a12/ %G ru %F DE_1979_15_11_a12