@article {Sar21,
	title = {A sufficient criterion to determine planar self-Cheeger sets},
	journal = {J. Convex Anal.},
	volume = {28},
	number = {3},
	year = {2021},
	pages = {951--958},
	url = {https://www.heldermann.de/JCA/JCA28/JCA283/jca28055.htm},
	author = {Saracco, G.}
}
