@article{PDML_1973__10_3_65_0,
     author = {Horv\'ath, Jean},
     title = {Quelques r\'esultats de {M.} {H.} {Powell} sur le th\'eor\`eme du graphe ferm\'e},
     journal = {Publications du D\'epartement de math\'ematiques (Lyon)},
     pages = {65--77},
     publisher = {Universit\'e Claude Bernard - Lyon 1},
     volume = {10},
     number = {3},
     year = {1973},
     mrnumber = {365077},
     zbl = {0297.46005},
     language = {fr},
     url = {http://www.numdam.org/item/PDML_1973__10_3_65_0/}
}