%0 Journal Article %A T. V. Chekmarev %T The Tricomi problem for the Lavrent'ev--Bitsadze system in a domain of a special form %J Differencialʹnye uravneniâ %D 1993 %P 1832-1833 %V 29 %N 10 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1993_29_10_a20/ %G ru %F DE_1993_29_10_a20