@article{10_4171_ifb_333,
     author = {Diogo A. Gomes and Stefania Patrizi},
     title = {Obstacle mean-field game problem},
     journal = {Interfaces and free boundaries},
     pages = {55--68},
     year = {2015},
     volume = {17},
     number = {1},
     doi = {10.4171/ifb/333},
     url = {http://geodesic.mathdoc.fr/articles/10.4171/ifb/333/}
}