%0 Journal Article %A I. G. Mamedov %T Non-classic 3D Goursat Problem for One Hyperbolic Equation with~Discontinuous Coefficients %J Journal of Samara State Technical University, Ser. Physical and Mathematical Sciences %D 2010 %P 209-213 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGTU_2010_1_a23/ %G ru %F VSGTU_2010_1_a23