%0 Journal Article %A V. I. Paškovskii %T A functional method of solving Tricomi's problem %J Differencialʹnye uravneniâ %D 1968 %P 63-73 %V 4 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1968_4_1_a5/ %G ru %F DE_1968_4_1_a5