%0 Journal Article %A V. P. Burlachenko %A N. I. Sidenko %T The approximation, by the method of V.\,K.~Dzjadyk, of solutions of problems for equations of hyperbolic type %J Differencialʹnye uravneniâ %D 1976 %P 857-864 %V 12 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1976_12_5_a7/ %G ru %F DE_1976_12_5_a7