Aisagaliev S. А., and A. M. Ayazbayeva. “Investigation on Absolute Stability of Multidimensional Regulated Systems. Aizerman Problem”. Journal of Mathematics, Mechanics and Computer Science 96, no. 4 (December 25, 2018): 3–22. Accessed October 16, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/563.