%0 Journal Article
%A Michael Langenbruch
%T Kolmogorov Diameters in Solution Spaces of Systems of Partial Differential Equations.
%J Manuscripta mathematica
%D 1985
%P 35-64
%V 53
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MM2_1985__53_155088/
%F MM2_1985__53_155088