M. Diehl, H. G. Bock and J. P. Schloder, “A Real-Time Iteration Scheme for Nonlinear Optimization in Optimal Feedback Control,” Siam Journal on Control and Optimization, Vol. 43, No. 5, 2005, pp.1714-1736. doi:10.1137/S0363012902400713
 M. Diehl, H. G. Bock, J. P. Schloder, R. Findeisen, Z. Nagyc and F. Allgower, “Real-Time Optimization and Nonlinear Model Predictive Control of Processes Governed by Differential-Algebraic Equations,” Journal of Process Control, Vol. 12, No. 4, 2002, pp. 577-585.
 M. Gerdts and H. J. Pesch, “Direct Shooting Method for the Numerical Solution of Higher-Index DAE Optimal Control Problems,” Journal of Optimization Theory and Applications, Vol. 117, No. 2, 2003, pp. 267-294. doi:10.1023/A:1023679622905
 A. H. Borzabadi, A. V. Kamyad, M. H. Farahi and H. H. Mehne, “Solving Some Optimal Path Planning Problems Using an Approach Based on Measure Theory,” Applied Mathematics and Computation, Vol. 170, No. 2, 2005, pp. 1418-1435.
 M. Gachpazan, A. H. Borzabadi and A. V. Kamyad, “A Measure-Theoretical Approach for Solving Discrete Optimal Control Problems,” Applied Mathematics and Computation, Vol. 173, No. 2, 2006, pp. 736-752.
 K. P. Badakhshan and A. V. Kamyad, “Numerical Solution of Nonlinear Optimal Control Problems Using Nonlinear Programming,” Applied Mathematics and Computation, Vol. 187, No. 2, 2007, pp. 1511-1519.
 T. M. Gindy, H. M. El-Hawary, M. S. Salim and M. El-Kady, “A Chebyshev Approximation for Solving Optimal Control Problems,” Computers & Mathematics with Applications, Vol 29, No. 6, 1995, pp 35-45. doi:10.1016/0898-1221(95)00005-J
 P. Balasubramaniam, J. A. Samath and N. Kumaresan, “Optimal Control for Nonlinear Singular Systems with Quadratic Performance Using Neural Networks,” Applied Mathematics and Computation, Vol. 187, No. 2, 2007, pp. 1535-1543.
 P. V. Medagam and F. Pourboghrat, “Optimal Control of Nonlinear Systems Using RBF Neural Network and Adaptive Extended Kalman Filter,” Proceedings of American Control Conference Hyatt Regency Riverfront, St. Louis, 10-12 June 2009, pp. 355-360.