Mirsaburov M, Makulbay A, Mirsaburova G. A combined problem with local and nonlocal conditions for a class of mixed-type equations. M [Internet]. 2025 June 30 [cited 2026 Oct. 27];2(118):163-76. Available from: https://mts.buketov.edu.kz/mathematics-vestnik/article/view/933