Beisenbi М., C. Kalieva, Turmagambetova М., and Muratzhanova Н. “Synthesis of the Control Systems by the State of an Object With Single Input and Single Output by a Gradient-Velocity Method of Vector A.M. Lyapunov Functions”. Eurasian Journal of Applied Engineering and Technology (EJAET), vol. 122, no. 1, Mar. 2018, pp. 29-33, doi:10.32523/2616-7263-2018-122-1-29-33.