Muminov F.M., Dushatov N.T., and Miratoev Z.M. “ON THE FORMULATION OF BOUNDARY VALUE PROBLEMS FOR ONE SECOND-ORDER EQUATION”. American Journal of Applied Science and Technology 4, no. 06 (June 22, 2024): 58–63. Accessed October 31, 2025. https://www.theusajournals.com/index.php/ajast/article/view/3201.