@article{JCA_2008_15_1_JCA_2008_15_1_a7,
     author = {G. Colombo and A. Marigonda},
     title = {Singularities for a {Class} of {Non-Convex} {Sets} and {Functions,} and {Viscosity} {Solutions} of some {Hamilton-Jacobi} {Equations}},
     journal = {Journal of convex analysis},
     pages = {105--129},
     publisher = {mathdoc},
     volume = {15},
     number = {1},
     year = {2008},
     url = {http://geodesic.mathdoc.fr/item/JCA_2008_15_1_JCA_2008_15_1_a7/}
}