%0 Journal Article %A F. T. Baranovskii %T The Goursat problem for a hyperbolic equation that degenerates in the interior and on the boundary of the domain %J Differencialʹnye uravneniâ %D 1982 %P 1879-1887 %V 18 %N 11 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1982_18_11_a4/ %G ru %F DE_1982_18_11_a4