%0 Journal Article %A V. V. Bobkov %T The method of integral relations applied to the solution of the Goursat problem for a system of two equations of the first order %J Differencialʹnye uravneniâ %D 1965 %P 267-274 %V 1 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1965_1_2_a17/ %G ru %F DE_1965_1_2_a17