@article{2718, author = {Overton, Robert}, title = {Uniform sequences of $\varepsilon $-mappings}, journal = {Portugaliae mathematica}, volume = {32}, year = {1973}, pages = {223-230}, zbl = {0267.54008}, mrnumber = {0322780}, language = {en}, url = {http://dml.mathdoc.fr/item/2718} }
Overton, Robert. Uniform sequences of $\varepsilon $-mappings. Portugaliae mathematica, Tome 32 (1973) pp. 223-230. http://gdmltest.u-ga.fr/item/2718/