%0 Journal Article %A S. E. Pastukhova %T On~the~well-posedness of a~mixed boundary-value problem for a~hyperbolic equation %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1981 %P 171-172 %V 36 %N 5 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1981_36_5_a21/ %G en %F RM_1981_36_5_a21