ZADEREI , P. V. Convergence of the linear’s average multiple Fourier series of continuous functions. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 40, n. 4, p. 424–431, 1988. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/9175. Acesso em: 6 dec. 2025.