%0 Journal Article %A Jokhadze, O. %T On the boundary value problem in a dihedral angle for normally hyperbolic systems of first order. %J Georgian Mathematical Journal %D 1998 %P 121-138 %V 5 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/GMJ_1998__5_2_48024/ %G en %F GMJ_1998__5_2_48024