@Article{ cupmig02, author = { Cupini, Giovanni and Migliorini, Anna Paola }, title = { Hölder continuity for local minimizers of a nonconvex variational problem }, journal = { J. Convex Anal. }, year = { 2003 }, volume = { 10 }, number = { 2 }, pages = { 389-408 }, URL = { http://cvgmt.sns.it/paper/1264/ }, note = { cvgmt preprint} }