@article{GDZPPN002479338, title = {The Polynomial-Normaloid Property for Banach-Space Operators}, journal = {Monatshefte f\"ur Mathematik}, volume = {79}, year = {1975}, pages = {273-284}, zbl = {0318.47017}, url = {http://dml.mathdoc.fr/item/GDZPPN002479338} }
Atkinson, F.V. The Polynomial-Normaloid Property for Banach-Space Operators. Monatshefte für Mathematik, Tome 79 (1975) pp. 273-284. http://gdmltest.u-ga.fr/item/GDZPPN002479338/