Huzyk, N.M., P.Y. Pukach, and M.I. Vovk. “Coefficient Inverse Problem for the Strongly Degenerate Parabolic Equation”. Carpathian Mathematical Publications 15, no. 1 (June 6, 2023): 52–65. Accessed December 8, 2024. https://journals.pnu.edu.ua/index.php/cmp/article/view/5687.