%0 Journal Article %A Noschese, S. %A Pasquini, L. %A Reichel, L. %T The structured distance to normality of an irreducible real tridiagonal matrix %J Electronic transactions on numerical analysis %D 2008 %V 28 %I mathdoc %U http://geodesic.mathdoc.fr/item/ETNA_2008__28__a9/ %G en %F ETNA_2008__28__a9