%0 Journal Article %A B. U. Aubakirov %A T. Sh. Kal'menov %T Local boundary value problems with departure from the characteristic for the Lavrent'ev--Bitsadze equation %J Differencialʹnye uravneniâ %D 1986 %P 700-702 %V 22 %N 4 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1986_22_4_a17/ %G ru %F DE_1986_22_4_a17