%0 Journal Article
%A Jelínek, Jiří
%A Pražák, Dalibor
%T On the sign of Colombeau functions and applications to conservation laws
%J Commentationes Mathematicae Universitatis Carolinae
%D 2009
%P 245-264
%V 50
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_2009__50_2_a5/
%G en
%F CMUC_2009__50_2_a5