%0 Journal Article %A V. M. Darevskii %T A certain method for the solution of partial differential equations %J Differencialʹnye uravneniâ %D 1973 %P 1661-1672 %V 9 %N 9 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1973_9_9_a11/ %G ru %F DE_1973_9_9_a11