@article{1102816951, author = {Leader, Solomon}, title = {A topological characterization of Banach contractions.}, journal = {Pacific J. Math.}, volume = {73}, number = {2}, year = {1977}, pages = { 461-466}, language = {en}, url = {http://dml.mathdoc.fr/item/1102816951} }
Leader, Solomon. A topological characterization of Banach contractions.. Pacific J. Math., Tome 73 (1977) no. 2, pp. 461-466. http://gdmltest.u-ga.fr/item/1102816951/