@article{05825789,
title = {Quasinormality and numerical ranges of certain classes of dual Toeplitz operators.},
journal = {Abstract and Applied Analysis},
volume = {2010},
year = {2010},
doi = {10.1155/2010/426319},
zbl = {1206.47025},
language = {en},
url = {http://dml.mathdoc.fr/item/05825789}
}
Guediri, Hocine. Quasinormality and numerical ranges of certain classes of dual Toeplitz operators.. Abstract and Applied Analysis, Tome 2010 (2010) . doi : 10.1155/2010/426319. http://gdmltest.u-ga.fr/item/05825789/