Yessenbayeva, G.A., D.N. Yesbayeva, D. Bauyrzhankyzy, and D.A. Nurgali. “On Mathematical and Analytical Methods for Solving Problems on Vibrations of Membranes and Plates”. Bulletin of the Karaganda University. Mathematics Series 89, no. 1 (March 30, 2018): 113–120. Accessed August 25, 2025. http://mts.buketov.edu.kz/index.php/mathematics-vestnik/article/view/220.