%0 Journal Article %A J. Leray %T The linear analytic cauchy problem with singular initial data (after hamada and wagschal); partial hyperbolicity %J Trudy Matematicheskogo Instituta imeni V.A. Steklova %D 1974 %P 213-222 %V 29 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/RM_1974_29_2_a14/ %G en %F RM_1974_29_2_a14