Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1991__59_8_133567, author = {Ji-guang Sun}, title = {Eigenvalues of {Rayleigh} quotient matrices.}, journal = {Numerische Mathematik}, pages = {603--614}, publisher = {mathdoc}, volume = {59}, number = {8}, year = {1991}, zbl = {0737.65037}, url = {http://geodesic.mathdoc.fr/item/NUMA_1991__59_8_133567/} }
Ji-guang Sun. Eigenvalues of Rayleigh quotient matrices.. Numerische Mathematik, Tome 59 (1991) no. 8, pp. 603-614. http://geodesic.mathdoc.fr/item/NUMA_1991__59_8_133567/