@article{JCA_1994_1_1_a6,
     author = {J. Saint-Pierre and M. Valadier},
     title = {An {Attempt} of {Characterization} of {Functions} with {Sharp} {Weakly} {Complete} {Epigraphs}},
     journal = {Journal of convex analysis},
     pages = {101--106},
     publisher = {mathdoc},
     volume = {1},
     number = {1},
     year = {1994},
     url = {http://geodesic.mathdoc.fr/item/JCA_1994_1_1_a6/}
}