SAMKO, N. Note on Matuzsewska-Orlich indices and Zygmund inequalities. Armenian Journal of Mathematics, Yerevan, Armenia, v. 3, n. 1, p. 22–31, 2010. Disponível em: https://armjmath.sci.am/index.php/ajm/article/view/67. Acesso em: 3 apr. 2025.