SIMONYAN, L.S. ON CONVERGENCE OF THE FOURIER DOUBLE SERIES WITH RESPECT TO THE VILENKIN SYSTEMS. Proceedings of the YSU A: Physical and Mathematical Sciences, Yerevan, Armenia, v. 52, n. 1 (245), p. 12–18, 2018. DOI: 10.46991/PYSU:A/2018.52.1.012. Disponível em: https://journals.ysu.am/index.php/proceedings-phys-math/article/view/vol52_no1_2018_pp012-018. Acesso em: 19 may. 2024.