@article{01780274, title = {Some remarks on the invariant subspace problem for hyponormal operators.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {359-365}, doi = {10.1155/S0161171201011966}, zbl = {0995.47015}, language = {en}, url = {http://dml.mathdoc.fr/item/01780274} }
Lauric, Vasile. Some remarks on the invariant subspace problem for hyponormal operators.. International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 359-365. doi : 10.1155/S0161171201011966. http://gdmltest.u-ga.fr/item/01780274/