Brovenko, A. V., P. N. Melezhik, and PoedinchukA. К. “A Method for the Regularization of One Class of Dual Series Equations”. Ukrains’kyi Matematychnyi Zhurnal 53, no. 10 (October 25, 2001): 1320-1327. Accessed May 10, 2024. https://umj.imath.kiev.ua/index.php/umj/article/view/4351.