%0 Journal Article %A S. M. Ponomarev %T On the theory of the Tricomi problem for the Lavrent’ev-Bicadze equation with spectral parameter %J Doklady Akademii Nauk %D 1980 %P 797-801 %V 255 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DAN_1980_255_4_a5/ %G ru %F DAN_1980_255_4_a5