Muminov F.M, Dushatov N.T, and Miratoev Z.M. “Boundary Problem for a Third Order Equation of a Mixed Composite Type”. Eurasian Journal of Physics,Chemistry and Mathematics 5 (April 8, 2022): 12–16. Accessed November 28, 2024. https://geniusjournals.org/index.php/ejpcm/article/view/944.