@article{RO_1998__32_2_193_0,
     author = {Bidard, C.},
     title = {Le lemme de {Sperner} nu},
     journal = {RAIRO - Operations Research - Recherche Op\'erationnelle},
     pages = {193--210},
     publisher = {EDP-Sciences},
     volume = {32},
     number = {2},
     year = {1998},
     mrnumber = {1628997},
     language = {fr},
     url = {http://www.numdam.org/item/RO_1998__32_2_193_0/}
}