@article{JCA_2016_23_4_JCA_2016_23_4_a5,
     author = {M. Valadier},
     title = {Quantiles and {Convexity}},
     journal = {Journal of convex analysis},
     pages = {1125--1136},
     year = {2016},
     volume = {23},
     number = {4},
     url = {http://geodesic.mathdoc.fr/item/JCA_2016_23_4_JCA_2016_23_4_a5/}
}