%0 Journal Article %A V. V. Kucherenko %A A. V. Krivko %T Existence Theorem for Hyperbolic Systems with a Multiplicity Change Point of at Most the Third Order %J Matematičeskie zametki %D 2009 %P 139-143 %V 85 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MZM_2009_85_1_a13/ %G ru %F MZM_2009_85_1_a13