%0 Journal Article
%A Chien, Mao-Ting
%A Neumann, Michel
%T Positive definiteness of tridiagonal matrices via the numerical range
%J The electronic journal of linear algebra
%D 1998
%P 93-102
%V 3
%I mathdoc
%U http://geodesic.mathdoc.fr/item/ELA_1998__3__a4/
%G en
%F ELA_1998__3__a4