Aisagaliev S. А., and A. M. Ayazbayeva. “Absolute Stability of Multidimensional Regulated Systems. Aizerman Problem”. Journal of Mathematics, Mechanics and Computer Science 101, no. 1 (April 23, 2019): 29–47. Accessed July 3, 2024. https://bm.kaznu.kz/index.php/kaznu/article/view/619.