@article{1077472652, author = {Whyburn, G. T.}, title = {Interior mappings into the circle}, journal = {Duke Math. J.}, volume = {11}, number = {1}, year = {1944}, pages = { 431-434}, language = {en}, url = {http://dml.mathdoc.fr/item/1077472652} }
Whyburn, G. T. Interior mappings into the circle. Duke Math. J., Tome 11 (1944) no. 1, pp. 431-434. http://gdmltest.u-ga.fr/item/1077472652/