@article{03586036, title = {On von Neumann's inequality.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {1}, year = {1978}, pages = {133-136}, doi = {10.1155/S0161171278000162}, zbl = {0376.47005}, language = {en}, url = {http://dml.mathdoc.fr/item/03586036} }
Lubin, Arthur. On von Neumann's inequality.. International Journal of Mathematics and Mathematical Sciences, Tome 1 (1978) pp. 133-136. doi : 10.1155/S0161171278000162. http://gdmltest.u-ga.fr/item/03586036/