@article{105883, author = {N. J. Young}, title = {Norms of certain rational functions of a matrix and Schur's criterion for polynomials}, journal = {Commentationes Mathematicae Universitatis Carolinae}, volume = {019}, year = {1978}, pages = {673-688}, zbl = {0388.30004}, mrnumber = {518179}, language = {en}, url = {http://dml.mathdoc.fr/item/105883} }
Young, N. J. Norms of certain rational functions of a matrix and Schur's criterion for polynomials. Commentationes Mathematicae Universitatis Carolinae, Tome 019 (1978) pp. 673-688. http://gdmltest.u-ga.fr/item/105883/
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