%0 Journal Article %A Shen, Shu-Qian %A Huang, Ting-Zhu %T On symmetric matrices with exactly one positive eigenvalue %J The electronic journal of linear algebra %D 2010 %P 158-167 %V 20 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2010__20__a42/ %G en %F ELA_2010__20__a42