%0 Journal Article
%A Neumann, Jan
%T An abstract differential inequality and eigenvalues of variational inequalities
%J Commentationes Mathematicae Universitatis Carolinae
%D 1987
%P 277-293
%V 28
%N 2
%I mathdoc
%U http://geodesic.mathdoc.fr/item/CMUC_1987__28_2_a9/
%G en
%F CMUC_1987__28_2_a9