%0 Journal Article
%A Jan Persson
%T A Note on Formal and Analytic Cauchy Problems for Systems with Constant Coefficients.
%J Mathematica Scandinavica
%D 1964
%P 142-146
%V 15
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MS2_1964__15_165898/
%F MS2_1964__15_165898