TY - JOUR AU - M. D. Bronshtein TI - The parametrix of the Cauchy problem for hyperbolic operators with characteristics of variable multiplicity JO - Funkcionalʹnyj analiz i ego priloženiâ PY - 1976 SP - 83 EP - 84 VL - 10 IS - 4 PB - mathdoc UR - http://geodesic.mathdoc.fr/item/FAA_1976_10_4_a8/ LA - ru ID - FAA_1976_10_4_a8 ER -