T. Alymbaev, A., Bapa Kyzy, A. and K. Sharshembieva, F. (2024) “PERIODIC SOLUTIONS OF A SECOND-ORDER NONLINEAR VOLTERRA INTEGRO-DIFFERENTIAL EQUATION”, Advances in Differential Equations and Control Processes, 31(2). Available at: https://ojs.acad-pub.com/index.php/ADECP/article/view/2438 (Accessed: 10February2025).