@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},
     year = {2008},
     volume = {28},
     zbl = {1171.65037},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2008__28__a9/}
}