@Article{ gbogbulde01, author = { Bouchitté, Guy and Buttazzo, Giuseppe and De Pascale, Luigi }, title = { A p-Laplacian approximation for some mass optimization problems }, journal = { J. Optim. Theory Appl. }, year = { 2003 }, volume = { 118 }, number = { 1 }, pages = { 1-25 }, URL = { http://cvgmt.sns.it/paper/1644/ }, note = { cvgmt preprint} }