@article {1434,
	title = {Minimum-time Decentralized Control of Choice-Free Continuous Petri Nets},
	journal = {Nonlinear Analysis: Hybrid Systems},
	year = {2012},
	url = {http://www.sciencedirect.com/science/article/pii/S1751570X12000246},
	author = {L. Wang and Mahulea, Cristian and J. Julvez and M. Silva}
}

