TY - JOUR AU - O. V. Zaitseva AU - V. Ya. Ivrii TI - On the well-posedness of the Cauchy problem for certain hyperbolic operators with characteristics of high variable multiplicity JO - Trudy Matematicheskogo Instituta imeni V.A. Steklova PY - 1982 SP - 225 EP - 226 VL - 37 IS - 3 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/RM_1982_37_3_a19/ LA - en ID - RM_1982_37_3_a19 ER -