TY - JOUR AU - V. A. Kirichek TI - On smoothness of solution of one nonlocal problem for hyperbolic equation JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2020 SP - 15 EP - 22 VL - 26 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2020_26_2_a1/ LA - ru ID - VSGU_2020_26_2_a1 ER -