PAVLENKOV, V. V. Karamata integral representations for functions generalizing regularly varying functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 69, n. 9, p. 1289–1296, 2017. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/1782. Acesso em: 5 dec. 2025.