TY - JOUR AU - V. V. Kucherenko AU - A. V. Krivko TI - Existence Theorem for Hyperbolic Systems with a Multiplicity Change Point of at Most the Third Order JO - Matematičeskie zametki PY - 2009 SP - 139 EP - 143 VL - 85 IS - 1 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/MZM_2009_85_1_a13/ LA - ru ID - MZM_2009_85_1_a13 ER -