Mirsaburov, M., A.B. Makulbay, and G.M. Mirsaburova. “A Combined Problem With Local and Nonlocal Conditions for a Class of Mixed-Type Equations”. Bulletin of the Karaganda University. Mathematics Series 118, no. 2 (June 30, 2025): 163–176. Accessed July 10, 2025. https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/933.