GRIGORYAN, M.; MARANJYAN, A. On the divergence of Fourier series in the general Haar system. Armenian Journal of Mathematics, [S. l.], v. 13, n. 6, p. 1–10, 2021. DOI: 10.52737/18291163-2021.13.6-1-10. Disponível em: http://armjmath.sci.am/index.php/ajm/article/view/533. Acesso em: 18 oct. 2021.