@article{JCA_1996_3_1_a3,
     author = {J.-B. Hiriart-Urruty and Yu. S. Ledyaev},
     title = {A {Note} on the {Characterization} of the {Global} {Maxima} of a {(Tangentially)} {Convex} {Function} {Over} a {Convex} {Set}},
     journal = {Journal of convex analysis},
     pages = {055--062},
     publisher = {mathdoc},
     volume = {3},
     number = {1},
     year = {1996},
     url = {http://geodesic.mathdoc.fr/item/JCA_1996_3_1_a3/}
}