Seytmuratov, A.Zh., B.M. Nurlanova, and N.K. Medeubaev. “Equations of Vibration of a Two-Dimensionally Layered Plate Strictly Based on the Decision of Various Boundary-Value Problems”. Bulletin of the Karaganda University. Mathematics Series 87, no. 3 (September 29, 2017): 109–116. Accessed July 10, 2025. https://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/179.