%0 Journal Article %A O. Konstantin %T Application of the approximate analytic prolongment to the boundary problems of the partial differential equations %J Matematic̀Œki vesnik %D 1979 %P 61 %V 31 %N 1 %U http://geodesic.mathdoc.fr/item/MV_1979_31_1_a9/ %F MV_1979_31_1_a9