@article{1077469845, author = {Long, Paul E.}, title = {Properties of certain non-continuous transformations}, journal = {Duke Math. J.}, volume = {28}, number = {1}, year = {1961}, pages = { 639-645}, language = {en}, url = {http://dml.mathdoc.fr/item/1077469845} }
Long, Paul E. Properties of certain non-continuous transformations. Duke Math. J., Tome 28 (1961) no. 1, pp. 639-645. http://gdmltest.u-ga.fr/item/1077469845/