@article{JCA_2010_17_3_JCA_2010_17_3_a19,
     author = {M. A. L\'opez and M. Volle},
     title = {A {Formula} for the {Set} of {Optimal} {Solutions} of a {Relaxed} {Minimization} {Problem.} {Applications} to {Subdifferential} {Calculus}},
     journal = {Journal of convex analysis},
     pages = {1057--1075},
     publisher = {mathdoc},
     volume = {17},
     number = {3},
     year = {2010},
     url = {http://geodesic.mathdoc.fr/item/JCA_2010_17_3_JCA_2010_17_3_a19/}
}