PHUKON, A. On Hyponormal Toeplitz Operators with Trigonometric Polynomial Symbols. Communications in Mathematics and Applications, [S. l.], v. 6, n. 2, p. 49–54, 2015. DOI: 10.26713/cma.v6i2.317. Disponível em: http://rgnpublications.com/journals/index.php/cma/article/view/317. Acesso em: 22 nov. 2024.