%0 Journal Article
%A R.M. Redheffer
%A W. Walter
%T The Total Variation of Solutions of Parabolic Differential Equations and a Maximum Principle in Unbounded Domains.
%J Mathematische Annalen
%D 1974
%P 57-68
%V 209
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MAN_1974__209_162584/
%F MAN_1974__209_162584