Attaev A, Iskakov S, Ramazanov M. Boundary value problem for the fractional-loaded Lavrent’ev-Bitsadze equation. M [Internet]. 2017 Sep. 29 [cited 2025 Jul. 10];87(3):33-42. Available from: https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/163