%0 Journal Article %A Kh. G. Bzhikhatlov %T Quasi-linear equations of mixed type %J News of the Kabardin-Balkar scientific center of RAS %D 2008 %P 134-141 %N 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/IZKAB_2008_6_a0/ %G ru %F IZKAB_2008_6_a0