JAFAROV, S. Z. . Approximation of functions belonging to the weighted L(a, M, omega)-class by trigonometric polynomials. New Zealand Journal of Mathematics, [S. l.], v. 48, p. 11–23, 2018. Disponível em: https://www.nzjmath.org/index.php/NZJMATH/article/view/24. Acesso em: 5 dec. 2021.