@Article{ BelFrePic22, author = { Bellettini, Giovanni and Freguglia, Mattia and Picenni, Nicola }, title = { On a conjecture of De Giorgi about the phase-field approximation of the Willmore functional }, journal = { Arch. Rational Mech. Anal. }, year = { 2023 }, doi = { 10.1007/s00205-023-01870-z }, volume = { 247 }, pages = { }, URL = { http://cvgmt.sns.it/paper/5583/ }, note = { cvgmt preprint} }