Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{NUMA_1970__15_131973, author = {A. RUHE}, title = {Properties of a {Matrix} with a {Very} {Ill-conditioned} {Eigenproblem.}}, journal = {Numerische Mathematik}, pages = {57--60}, publisher = {mathdoc}, volume = {15}, year = {1970}, zbl = {0184.37704}, url = {http://geodesic.mathdoc.fr/item/NUMA_1970__15_131973/} }
A. RUHE. Properties of a Matrix with a Very Ill-conditioned Eigenproblem.. Numerische Mathematik, Tome 15 (1970), pp. 57-60. http://geodesic.mathdoc.fr/item/NUMA_1970__15_131973/