@article{1102906008, author = {Putnam, C. R.}, title = {Hyponormal contractions and strong power convergence.}, journal = {Pacific J. Math.}, volume = {61}, number = {2}, year = {1975}, pages = { 531-538}, language = {en}, url = {http://dml.mathdoc.fr/item/1102906008} }
Putnam, C. R. Hyponormal contractions and strong power convergence.. Pacific J. Math., Tome 61 (1975) no. 2, pp. 531-538. http://gdmltest.u-ga.fr/item/1102906008/