%0 Journal Article %A Manuel Ruiz Gal ́an %T A concave-convex Ky Fan minimax inequality %J Minimax theory and its applications %D 2016 %V 1 %N 1 %U http://geodesic.mathdoc.fr/item/MTA_2016_1_1_a6/ %F MTA_2016_1_1_a6