Abu Joudeh AA, Gát G. Almost everywhere convergence of Cesàro means of two variable Walsh – Fourier series with varying parameteres. Ukr. Mat. Zhurn. [Internet]. 2021Mar.11 [cited 2024Nov.21];73(3):291 -307. Available from: https://umj.imath.kiev.ua/index.php/umj/article/view/196