@article{MTA_2016_1_2_a5,
     author = {Irene Benedetti and Anna Martellotti},
     title = {Multivalued minimax relations with applications},
     journal = {Minimax theory and its applications},
     year = {2016},
     volume = {1},
     number = {2},
     zbl = {1370.49004},
     url = {http://geodesic.mathdoc.fr/item/MTA_2016_1_2_a5/}
}