BEZKRYLA, S. I.; NESTERENKO, A. N.; CHAIKOVS'KYI, A. V. On the Third Moduli of Continuity. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 66, n. 10, p. 1420–1424, 2014. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2233. Acesso em: 14 apr. 2025.