Uniqueness Theorems for Multiple Series by Vilenkin and Generalized Haar Systems. Armenian Journal of Mathematics, Yerevan, Armenia, v. 10, n. 6, p. 1–15, 2018. Disponível em: http://test.armjmath.sci.am/index.php/ajm/article/view/169. Acesso em: 9 may. 2026.