GOGINAVA, U.; Nagy К. On the maximal operator of $(C, α)$-means of Walsh–Kaczmarz–Fourier series. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 62, n. 2, p. 158–166, 2010. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/2852. Acesso em: 5 dec. 2025.