BITSADZE, K. R. On the sets of divergence of multiple Fourier–Haar series. Ukrains’kyi Matematychnyi Zhurnal, [S. l.], v. 74, n. 12, p. 1625–1639, 2023. DOI: 10.37863/umzh.v74i12.6886. Disponível em: https://umj.imath.kiev.ua/index.php/umj/article/view/6886. Acesso em: 9 dec. 2025.