%0 Journal Article %A Kh. G. Bzhikhatlov %T A certain boundary value problem for mixed parabolic-hyperbolic equations with a characteristic line of change of type %J Differencialʹnye uravneniâ %D 1977 %P 10-16 %V 13 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1977_13_1_a1/ %G ru %F DE_1977_13_1_a1