%0 Journal Article %A A. V. Bulatov %T On the adjointness of the Darboux and the Dirichlet problems for degenerate hyperbolic equations %J Differencialʹnye uravneniâ %D 1998 %P 69-77 %V 34 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/DE_1998_34_1_a11/ %G ru %F DE_1998_34_1_a11