@article{ASNSP_2009_5_8_4_659_0,
     author = {Fathi, Albert and Giuliani, Alessandro and Sorrentino, Alfonso},
     title = {Uniqueness of invariant {Lagrangian} graphs in a homology or a cohomology class},
     journal = {Annali della Scuola Normale Superiore di Pisa - Classe di Scienze},
     pages = {659--680},
     publisher = {Scuola Normale Superiore, Pisa},
     volume = {Ser. 5, 8},
     number = {4},
     year = {2009},
     mrnumber = {2647908},
     zbl = {1192.37086},
     language = {en},
     url = {http://archive.numdam.org/item/ASNSP_2009_5_8_4_659_0/}
}