Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1983__41_132853, author = {J. Sun}, title = {The {Perturbation} {Bounds} for {Eigenspaces} of a {Definite} {Matrix-Pair}}, journal = {Numerische Mathematik}, pages = {321--344}, publisher = {mathdoc}, volume = {41}, year = {1983}, zbl = {0487.65021}, url = {http://geodesic.mathdoc.fr/item/NUMA_1983__41_132853/} }
J. Sun. The Perturbation Bounds for Eigenspaces of a Definite Matrix-Pair. Numerische Mathematik, Tome 41 (1983), pp. 321-344. http://geodesic.mathdoc.fr/item/NUMA_1983__41_132853/