Qurbanov, A. N., and I. Z. Sardarova. “ABOUT OF THE DYNAMICS OF FORCED OSCILLATIONS IN NONLINEAR SYSTEMS”. METHODS AND DEVICES OF QUALITY CONTROL, no. 1(42) (October 27, 2019). Accessed April 19, 2024. https://mpky.nung.edu.ua/index.php/mpky/article/view/482.