@conference {109,
	title = {Invariance Principles for Switched Differential-Algebraic Systems Under Arbitrary and Dwell-time Switching},
	booktitle = {Proceedings of the American Control Conference},
	series = {NULL},
	year = {2015},
	month = {June},
	pages = {1788--1793},
	keywords = {hybrid systems},
	author = {P. Nanez and R. G. Sanfelice and N. Quijano}
}
