%0 Journal Article %J J. Convex Anal. %D 2021 %T A sufficient criterion to determine planar self-Cheeger sets %A Saracco, G. %B J. Convex Anal. %V 28 %P 951--958 %G eng %U https://www.heldermann.de/JCA/JCA28/JCA283/jca28055.htm %N 3