@article{1029005709, author = {Bourdon, Paul S.}, title = {Orbits of hyponormal operators.}, journal = {Michigan Math. J.}, volume = {44}, number = {1}, year = {1997}, pages = { 345-353}, language = {en}, url = {http://dml.mathdoc.fr/item/1029005709} }
Bourdon, Paul S. Orbits of hyponormal operators.. Michigan Math. J., Tome 44 (1997) no. 1, pp. 345-353. http://gdmltest.u-ga.fr/item/1029005709/