@article{JCA_2004_11_2_JCA_2004_11_2_a2,
     author = {A. Azevedo and L. Santos},
     title = {Convergence of {Convex} {Sets} with {Gradient} {Constraint}},
     journal = {Journal of convex analysis},
     pages = {285--301},
     publisher = {mathdoc},
     volume = {11},
     number = {2},
     year = {2004},
     url = {http://geodesic.mathdoc.fr/item/JCA_2004_11_2_JCA_2004_11_2_a2/}
}