@article{1103039462, author = {Phillips, R. S.}, title = {On a theorem due to Sz.-Nagy.}, journal = {Pacific J. Math.}, volume = {9}, number = {4}, year = {1959}, pages = { 169-173}, language = {en}, url = {http://dml.mathdoc.fr/item/1103039462} }
Phillips, R. S. On a theorem due to Sz.-Nagy.. Pacific J. Math., Tome 9 (1959) no. 4, pp. 169-173. http://gdmltest.u-ga.fr/item/1103039462/