%0 Journal Article %A Segala, Fausto %T A simple construction of a parametrix for a regular hyperbolic operator %J Rendiconti del Seminario Matematico della Università di Padova %D 1988 %P 203-213 %V 80 %I Seminario Matematico of the University of Padua %U http://archive.numdam.org/item/RSMUP_1988__80__203_0/ %G en %F RSMUP_1988__80__203_0