1. Noori Skandari, M.H., Tohidi, E.: Numerical solution of a class of nonlinear optimal control problems using linearization and discretization. Appl. Math. 2, 646–652 (2011)
2. Erfanian, H.R., Noori Skandari, M.H., Kamyad, A.V.: Solving a class of separated continuous programming problems using linearization and discretization. Int. J. Sens. Comput. Control 1(2), 117–124 (2011)
3. Tohidi, E., Noori Skandari, M.H.: A new approach for a class of nonlinear optimal control problems using linear combination property of intervals. J. Comput. Model. 1(2), 145–156 (2011)
4. Lyapunov, A.M.: The General Problem of the Stability of Motion. Kharkov Mathematical Society, Kharkov, Russia (1892)
5. Artstein, Z.: Stabilization with relaxed controls. Nonlinear Anal. 15(11), 1163–1173 (1983)