@article{MTA_2018_3_2_a6,
     author = {Hung Vinh Tran},
     title = {A note on nonconvex mean field games},
     journal = {Minimax theory and its applications},
     year = {2018},
     volume = {3},
     number = {2},
     zbl = {1406.49042},
     url = {http://geodesic.mathdoc.fr/item/MTA_2018_3_2_a6/}
}