Darji, Kiran N., and Rajendra G. Vyas. 2018. “Weighted β−absolute Convergence of Single and Double Walsh−Fourier Series of Functions of Φ âˆ’ ∧ −BV”. The Journal of the Indian Mathematical Society 86 (1-2):22-37. https://doi.org/10.18311/jims/2019/22561.