%0 Journal Article %A V. I. Zhegalov %T A certain case of the Tricomi problem %J Trudy seminara po kraevym zadačam %D 1966 %P 28-36 %V 3 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1966_3_3_a3/ %G ru %F KUKZ_1966_3_3_a3