@article{ETNA_2004__18__a7,
     author = {Greenbaum,  Anne},
     title = {Some theoretical results derived from polynomial numerical hulls of {Jordan} blocks},
     journal = {Electronic transactions on numerical analysis},
     pages = {81--90},
     year = {2004},
     volume = {18},
     zbl = {1068.15039},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2004__18__a7/}
}