DARJI, K. N.; VYAS, R. G. Weighted β−absolute Convergence of Single and Double Walsh−Fourier Series of Functions of Φ âˆ’ ∧ −BV. The Journal of the Indian Mathematical Society, [S. l.], v. 86, n. 1-2, p. 22–37, 2018. DOI: 10.18311/jims/2019/22561. Disponível em: https://www.informaticsjournals.com/index.php/jims/article/view/22561. Acesso em: 4 may. 2024.