%0 Journal Article %A Wolf von Wahl %T Regular Solutions of Initial-Boundary Value Problems for Linear and Nonlinear Wave - Equations I. %J Manuscripta mathematica %D 1974 %P 187-206 %V 13 %I mathdoc %U http://geodesic.mathdoc.fr/item/MM2_1974__13_154263/ %F MM2_1974__13_154263