%0 Journal Article %A I. Kh. Khairyllin %T On a problem for a degenerate equation of hyperbolic type %J Trudy seminara po kraevym zadačam %D 1970 %P 289-192 %V 7 %N 7 %I mathdoc %U http://geodesic.mathdoc.fr/item/KUKZ_1970_7_7_a44/ %G ru %F KUKZ_1970_7_7_a44