@article{JCA_2002_9_1_JCA_2002_9_1_a9,
     author = {E. Acerbi and G. Buttazzo and F. Prinari},
     title = {The {Class} of {Functionals} which can be {Represented} by a {Supremum}},
     journal = {Journal of convex analysis},
     pages = {225--236},
     publisher = {mathdoc},
     volume = {9},
     number = {1},
     year = {2002},
     url = {http://geodesic.mathdoc.fr/item/JCA_2002_9_1_JCA_2002_9_1_a9/}
}