@article{ETNA_2008__28__a9,
     author = {Noschese, S. and Pasquini, L. and Reichel, L.},
     title = {The structured distance to normality of an irreducible real tridiagonal matrix},
     journal = {Electronic transactions on numerical analysis},
     publisher = {mathdoc},
     volume = {28},
     year = {2008},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__28__a9/}
}