%0 Journal Article %A O. V. Zaitseva %A V. Ya. Ivrii %T On the well-posedness of the Cauchy problem for certain hyperbolic operators with characteristics of high variable multiplicity %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1982 %P 225-226 %V 37 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1982_37_3_a19/ %G en %F RM_1982_37_3_a19