Turdiev, Khalim, et al. “Existence of a Solution to the Problem Posed for a System of Fractional Diffusion Equations: Existence of a Solution to the Problem Posed for a System of Fractional Diffusion Equations”. MODERN PROBLEMS AND PROSPECTS OF APPLIED MATHEMATICS, vol. 1, no. 01, June 2024, https://ojs.qarshidu.uz/index.php/mp/article/view/649.