@article{JCA_2020_27_3_JCA_2020_27_3_a15,
     author = {N. Caroff and O. S. Serea},
     title = {Ky-Fan and {Sion} {Theorems} for the {Lexicographic} {Order} and {Applications} to {Vectorial} {Games} and {Min-Max} {Control} {Problems}},
     journal = {Journal of convex analysis},
     pages = {1051--1072},
     year = {2020},
     volume = {27},
     number = {3},
     url = {http://geodesic.mathdoc.fr/item/JCA_2020_27_3_JCA_2020_27_3_a15/}
}