%0 Journal Article %A W. Walter %T On the non-existence of maximal solutions for hyperbolic differential equations %J Annales Polonici Mathematici %D 1967 %P 307-311 %V 19 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/ap-19-3-307-311/ %R 10.4064/ap-19-3-307-311 %G en %F 10_4064_ap_19_3_307_311