TY - JOUR AU - V. V. Bobkov AU - V. I. Krylov TI - The method of integral relations for equations and systems of hyperbolic type JO - Differencialʹnye uravneniâ PY - 1965 SP - 230 EP - 243 VL - 1 IS - 2 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1965_1_2_a13/ LA - ru ID - DE_1965_1_2_a13 ER -