TY - JOUR AU - A. V. Gilev TI - A nonlocal problem for a hyperbolic equation with a dominant mixed derivative JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2020 SP - 25 EP - 35 VL - 26 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2020_26_4_a2/ LA - ru ID - VSGU_2020_26_4_a2 ER -