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@article{NUMA_1969__13_131916, author = {P. LANCASTER and M.V. PATTABHIRAMAN}, title = {Spectral {Properties} of a {Polynomial} {Operator.}}, journal = {Numerische Mathematik}, pages = {247--259}, publisher = {mathdoc}, volume = {13}, year = {1969}, zbl = {0177.17202}, url = {http://geodesic.mathdoc.fr/item/NUMA_1969__13_131916/} }
P. LANCASTER; M.V. PATTABHIRAMAN. Spectral Properties of a Polynomial Operator.. Numerische Mathematik, Tome 13 (1969), pp. 247-259. http://geodesic.mathdoc.fr/item/NUMA_1969__13_131916/