@article{05627610,
title = {The numerical range of Toeplitz operator on the polydisk.},
journal = {Abstract and Applied Analysis},
volume = {2009},
year = {2009},
doi = {10.1155/2009/757964},
zbl = {1176.30102},
language = {en},
url = {http://dml.mathdoc.fr/item/05627610}
}
Gu, Dinggui. The numerical range of Toeplitz operator on the polydisk.. Abstract and Applied Analysis, Tome 2009 (2009) . doi : 10.1155/2009/757964. http://gdmltest.u-ga.fr/item/05627610/