%0 Journal Article %A A. A. Kosovets %T Uniqueness of the solution of the Tricomi problem for an equation of mixed type %J Differencialʹnye uravneniâ %D 1988 %P 523-525 %V 24 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1988_24_3_a21/ %G ru %F DE_1988_24_3_a21