@conference {49,
	title = {Synergistic {L}yapunov functions and backstepping hybrid feedbacks},
	booktitle = {Proc. 30th American Control Conference},
	series = {NULL},
	year = {2011},
	pages = {3203{\textendash}3208},
	keywords = {hybrid systems},
	doi = {http://ieeexplore.ieee.org/xpl/freeabs_all.jsp?arnumber=5991021},
	author = {C. G. Mayhew and R. G. Sanfelice and A. R. Teel}
}
