Voir la notice de l'article provenant de la source European Digital Mathematics Library
@article{MZ_1951__55_169257, author = {Ky Fan}, title = {Note on a {Theorem} of {Banach.}}, journal = {Mathematische Zeitschrift}, pages = {308--309}, publisher = {mathdoc}, volume = {55}, year = {1951}, zbl = {0047.28505}, url = {http://geodesic.mathdoc.fr/item/MZ_1951__55_169257/} }
Ky Fan. Note on a Theorem of Banach.. Mathematische Zeitschrift, Tome 55 (1951), pp. 308-309. http://geodesic.mathdoc.fr/item/MZ_1951__55_169257/