%0 Journal Article
%A John I.E. Urbas
%T On the expansion of starshaped hypersurfaces by symmetric functions of their principal curvatures.
%J Mathematische Zeitschrift
%D 1990
%P 355-372
%V 205
%N 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/MZ_1990__205_3_174181/
%F MZ_1990__205_3_174181