Huseyin, A., Huseyin, N. and Guseinov, K. G. (2015) “Approximation of the Sections of the Set of Trajectories of the Control System Described by a Nonlinear Volterra Integral Equation”, Mathematical Modelling and Analysis, 20(4), pp. 502-515. doi: 10.3846/13926292.2015.1070766.