ADAMOV, A. N. Inequality of the Turan type for trigonometric polynomials and conjugate trigonometric polynomials in $L_0$. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 61, n. 7, p. 986–995, 2009. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/3073. Acesso em: 14 apr. 2025.