Karimov Shakhobiddin Tuychiboyevich and Saliyeva Robiykhan Abdukhalil qizi (2022) “Variational method of solving fractional differential equation problems”, Eurasian Journal of Physics,Chemistry and Mathematics, 12, pp. 122–126. Available at: https://geniusjournals.org/index.php/ejpcm/article/view/2714 (Accessed: 8 April 2025).