%0 Journal Article %A V. A. Kirichek %T Problem with nonlocal boundary condition for a hyperbolic equation %J Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ %D 2017 %P 26-33 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/VSGU_2017_3_a3/ %G ru %F VSGU_2017_3_a3