Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1963__5_131570, author = {A.S. HOUSEHOLDER and J.A. CARPENTER}, title = {The {Singular} {Values} of {Involutory} and of {Idempotent} {Matrices.}}, journal = {Numerische Mathematik}, pages = {234--237}, publisher = {mathdoc}, volume = {5}, year = {1963}, zbl = {0118.01705}, url = {http://geodesic.mathdoc.fr/item/NUMA_1963__5_131570/} }
A.S. HOUSEHOLDER; J.A. CARPENTER. The Singular Values of Involutory and of Idempotent Matrices.. Numerische Mathematik, Tome 5 (1963), pp. 234-237. http://geodesic.mathdoc.fr/item/NUMA_1963__5_131570/