@article{MTA_2018_3_1_a1,
     author = {Liana Timbo\c{s}},
     title = {Duality for an extended equilibrium problem},
     journal = {Minimax theory and its applications},
     year = {2018},
     volume = {3},
     number = {1},
     zbl = {1390.90542},
     url = {http://geodesic.mathdoc.fr/item/MTA_2018_3_1_a1/}
}