%0 Journal Article %A V. V. Mityushev %T Solution of a problem with nonlocal conditions for the Lavrent'ev--Bitsadze equation %J Differencialʹnye uravneniâ %D 1992 %P 1461-1463 %V 28 %N 8 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1992_28_8_a25/ %G ru %F DE_1992_28_8_a25