@article {2008, title = {Minimizers of non convex scalar functionals and viscosity solutions of Hamilton-Jacobi equations}, journal = {Calc. Var. Partial Differential Equations 31 (2008) 511-519}, year = {2008}, doi = {10.1007/s00526-007-0124-7}, url = {http://hdl.handle.net/1963/2760}, author = {Sandro Zagatti} }