TY - JOUR AU - V. A. Kirichek TI - Problem with nonlocal boundary condition for a hyperbolic equation JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2017 SP - 26 EP - 33 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2017_3_a3/ LA - ru ID - VSGU_2017_3_a3 ER -