Attaev, A.Kh., S.A. Iskakov, and M.I. Ramazanov. “Boundary Value Problem for the Fractional-Loaded Lavrent’ev-Bitsadze Equation”. Bulletin of the Karaganda University. Mathematics Series 87, no. 3 (September 29, 2017): 33–42. Accessed August 26, 2025. http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/163.