The following publications are possibly variants of this publication:
- Optimal control of time-varying singular systems using the RK-Butcher algorithmJ. Y. Park, David J. Evans, K. Murugesan, S. Sekar. ijcm, 82(5):617-627, 2005. [doi]
- Optimal control of singular systems using the rk-butcher algorithmJ. Y. Park, David J. Evans, K. Murugesan, S. Sekar, V. Murugesh. ijcm, 81(2):239-249, 2004. [doi]