Pozharska, K.V., and A.A. Pozharskyi. “Recovery of Continuous Functions of Two Variables from Their Fourier Coefficients Known With Error”. Carpathian Mathematical Publications 13, no. 3 (December 10, 2021): 676–686. Accessed April 24, 2024. https://scijournals.pnu.edu.ua/index.php/cmp/article/view/5124.