TY - JOUR AU - E. A. Sozontova TI - On characteristic problems for one hyperbolic system in three-dimensional space JO - Vestnik Samarskogo universiteta. Estestvennonaučnaâ seriâ PY - 2013 SP - 74 EP - 84 IS - 6 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/VSGU_2013_6_a7/ LA - ru ID - VSGU_2013_6_a7 ER -