@article{BUMI_2003_8_6B_2_a2,
     author = {Gabor, Grzegorz and Quincampoix, Marc},
     title = {On existence of equilibria of set-valued maps},
     journal = {Bollettino della Unione matematica italiana},
     pages = {309--321},
     publisher = {mathdoc},
     volume = {Ser. 8, 6B},
     number = {2},
     year = {2003},
     zbl = {1150.49007},
     mrnumber = {755330},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/BUMI_2003_8_6B_2_a2/}
}