@article{02121210, title = {On generalized inequalities of Heinz, Halmos and Bernstein.}, journal = {Publications de l'Institut Math\'ematique. Nouvelle S\'erie}, volume = {73(87)}, year = {2003}, pages = {149-154}, doi = {10.2298/PIM0373149L}, zbl = {1067.47025}, language = {en}, url = {http://dml.mathdoc.fr/item/02121210} }
Lin, C.-S. On generalized inequalities of Heinz, Halmos and Bernstein.. Publications de l'Institut Mathématique. Nouvelle Série, Tome 73(87) (2003) pp. 149-154. doi : 10.2298/PIM0373149L. http://gdmltest.u-ga.fr/item/02121210/