@inproceedings {14,
	title = {Extending LaSalle{\textquoteright}s invariance principle to impulsive switched systems with an application to hybrid epidemic dynamics},
	booktitle = {Chinese Control and Decision Conference (CCDC)},
	year = {2010},
	doi = {10.1109/CCDC.2010.5499107},
	author = {Jun Liu and Xinzhi Liu and Wei-Chau Xie}
}
