@Article{ HenLuc20, author = { Henrot, Antoine and Lucardesi, Ilaria }, title = { Body of constant width with minimal area in a given annulus }, journal = { Journal de l'École polytechnique - Mathématiques }, year = { 2021 }, doi = { 10.5802/jep.150 }, pages = { 415-438 }, URL = { http://cvgmt.sns.it/paper/4653/ }, note = { cvgmt preprint} }