@conference {254,
	title = {A Duality Approach to Set Invariance and Safety for Nonlinear Systems},
	booktitle = {Proceedings of the 60th IEEE Conference on Decision and Control},
	year = {2021},
	month = {December},
	pages = {5388-5393},
	author = {M. Ghanbarpour and R. G. Sanfelice}
}
