%0 Journal Article %A V. M. Petkov %T The parametrix of the Cauchy problem for nonsymmetrizable hyperbolic systems with characteristics of constant multiplicity %J Trudy Moskovskogo matematičeskogo obŝestva %D 1978 %P 3-47 %V 37 %I mathdoc %U http://geodesic.mathdoc.fr/item/MMO_1978_37_a0/ %G ru %F MMO_1978_37_a0