%0 Journal Article
%A Henrion, Didier
%T Semidefinite geometry of the numerical range
%J The electronic journal of linear algebra
%D 2010
%P 322-332
%V 20
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_2010__20__a30/
%G en
%F ELA_2010__20__a30