Sadybekov, M. A., Torebek, B. T. and Turmetov, B. K. (2016) “Construction of Green’s Function of the Neumann Problem in a Ball”, Eurasian Mathematical Journal, 7(2), pp. 100–105. Available at: https://emj.enu.kz/index.php/main/article/view/638 (Accessed: 30 September 2025).