%0 Journal Article %A Pickmann, Hubert %A Egana, Juan C. %A Soto, Ricardo L. %T Extreme spectra realization by real symmetric tridiagonal and real symmetric arrow matrices %J The electronic journal of linear algebra %D 2011 %P 780-795 %V 22 %I mathdoc %U http://geodesic.mathdoc.fr/item/ELA_2011__22__a25/ %G en %F ELA_2011__22__a25