@article{1103034389, author = {Widom, Harold}, title = {On the spectrum of a Toeplitz operator.}, journal = {Pacific J. Math.}, volume = {14}, number = {4}, year = {1964}, pages = { 365-375}, language = {en}, url = {http://dml.mathdoc.fr/item/1103034389} }
Widom, Harold. On the spectrum of a Toeplitz operator.. Pacific J. Math., Tome 14 (1964) no. 4, pp. 365-375. http://gdmltest.u-ga.fr/item/1103034389/