TY - JOUR AU - B. L. Kogan TI - ``Resonance'' representations of the solutions of a first order hyperbolic system in the plane JO - Differencialʹnye uravneniâ PY - 1971 SP - 1250 EP - 1262 VL - 7 IS - 7 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/DE_1971_7_7_a8/ LA - ru ID - DE_1971_7_7_a8 ER -