@article{BUMI_1959_3_14_3_a7,
     author = {Christiano, John G. and Dunbar, David L.},
     title = {Finding the characteristic roots of symmetric matrices.},
     journal = {Bollettino della Unione matematica italiana},
     pages = {352--359},
     publisher = {mathdoc},
     volume = {Ser. 3, 14},
     number = {3},
     year = {1959},
     zbl = {0091.01602},
     mrnumber = {113895},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_1959_3_14_3_a7/}
}