@Article{ belbermar07, author = { Bellettini, Giovanni and Bertini, Lorenzo and Mariani, Mauro and Novaga, Matteo }, title = { $\Gamma$-entropy cost for scalar conservation laws }, journal = { Arch. Rat. Mech. Anal. }, year = { 2010 }, volume = { 195 }, number = { 1 }, pages = { 261-309 }, URL = { http://cvgmt.sns.it/paper/1108/ }, note = { cvgmt preprint} }