@article {46,
	title = {Invariance principles for hybrid systems with memory},
	journal = {Nonlinear Analysis: Hybrid Systems},
	volume = {21},
	year = {2016},
	pages = {130{\textendash}138},
	doi = {http://dx.doi.org/10.1016/j.nahs.2015.08.003},
	author = {Jun Liu and Andrew R. Teel}
}
