%0 Journal Article %A M. Mirsaburov %T Problems of Bitsadze–Samarskiǐ type for a class of equations of mixed type %J Differencialʹnye uravneniâ %D 1995 %P 829-834 %V 31 %N 5 %U http://geodesic.mathdoc.fr/item/DE_1995_31_5_a12/ %G ru %F DE_1995_31_5_a12