%0 Journal Article %A E. I. Moiseev %T Representation of the solution of the Tricomi problem in the form of a biorthogonal series %J Differencialʹnye uravneniâ %D 1991 %P 1229-1237 %V 27 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1991_27_7_a14/ %G ru %F DE_1991_27_7_a14