@article{MTA_2016_1_1_a6,
     author = {Manuel Ruiz Gal ́an},
     title = {A concave-convex {Ky} {Fan} minimax inequality},
     journal = {Minimax theory and its applications},
     year = {2016},
     volume = {1},
     number = {1},
     zbl = {1333.49013},
     url = {http://geodesic.mathdoc.fr/item/MTA_2016_1_1_a6/}
}