@article{JCA_2007_14_2_JCA_2007_14_2_a3,
     author = {E. Lehrer and S. Sorin},
     title = {Minmax via {Differential} {Inclusion}},
     journal = {Journal of convex analysis},
     pages = {271--273},
     publisher = {mathdoc},
     volume = {14},
     number = {2},
     year = {2007},
     url = {http://geodesic.mathdoc.fr/item/JCA_2007_14_2_JCA_2007_14_2_a3/}
}