@article{1256065553, author = {Putnam, C. R.}, title = {A similarity between hyponormal and normal spectra}, journal = {Illinois J. Math.}, volume = {16}, number = {1}, year = {1972}, pages = { 695-702}, language = {en}, url = {http://dml.mathdoc.fr/item/1256065553} }
Putnam, C. R. A similarity between hyponormal and normal spectra. Illinois J. Math., Tome 16 (1972) no. 1, pp. 695-702. http://gdmltest.u-ga.fr/item/1256065553/