@article{GDZPPN00116516X, title = {On Eigenvalues of Matrices Dependent on a Parameter.}, journal = {Numerische Mathematik}, volume = {6}, year = {1964}, pages = {377-387}, zbl = {0133.26201}, url = {http://dml.mathdoc.fr/item/GDZPPN00116516X} }
LANCASTER, P. On Eigenvalues of Matrices Dependent on a Parameter.. Numerische Mathematik, Tome 6 (1964) pp. 377-387. http://gdmltest.u-ga.fr/item/GDZPPN00116516X/