@article{1183524400, author = {Swanson, C. A.}, title = {An inequality for linear transformations with eigenvalues}, journal = {Bull. Amer. Math. Soc.}, volume = {67}, number = {6}, year = {1961}, pages = { 607-608}, language = {en}, url = {http://dml.mathdoc.fr/item/1183524400} }
Swanson, C. A. An inequality for linear transformations with eigenvalues. Bull. Amer. Math. Soc., Tome 67 (1961) no. 6, pp. 607-608. http://gdmltest.u-ga.fr/item/1183524400/