@article{MTA_2021_6_1_a2,
     author = {Maxim V. Dolgopolik},
     title = {A unified study of necessary and sufficient optimality conditions for minimax and {Chebyshev} problems with cone constraints},
     journal = {Minimax theory and its applications},
     year = {2021},
     volume = {6},
     number = {1},
     zbl = {1478.90145},
     url = {http://geodesic.mathdoc.fr/item/MTA_2021_6_1_a2/}
}