%0 Journal Article
%A Marvin W. Grossman
%T An Extremal Property for Certain Spaces of Lower Semi-continuous Functions.
%J Mathematische Zeitschrift
%D 1968
%P 139-148
%V 106
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1968__106_171011/
%F MZ_1968__106_171011