@Article{ dalgar05, author = { Dal Maso, Gianni and Garroni, Adriana }, title = { Gradient bounds for minimizers of free discontinuity problems related to cohesive zone models in fracture mechanics }, journal = { Calc. Var. Partial Differential Equations }, year = { 2008 }, volume = { 31 }, pages = { 137-145 }, URL = { http://cvgmt.sns.it/paper/1360/ }, note = { cvgmt preprint} }