MAZAKOV, T. Zh.; JOMARTOVA, Sh. A.; TURSYNBAY, A. T.. Controllability Criterion of Nonlinear Dynamical Systems. Journal of Mathematics, Mechanics and Computer Science, [S.l.], v. 86, n. 3, p. 19-23, may 2016. ISSN 1563-0285. Доступно на: <http://bm.kaznu.kz/index.php/kaznu/article/view/307>. Дата доступа: 20 nov. 2017