@article{1183504879, author = {Whyburn, G. T.}, title = {On the interiority of real functions}, journal = {Bull. Amer. Math. Soc.}, volume = {48}, number = {12}, year = {1942}, pages = { 942-945}, language = {en}, url = {http://dml.mathdoc.fr/item/1183504879} }
Whyburn, G. T. On the interiority of real functions. Bull. Amer. Math. Soc., Tome 48 (1942) no. 12, pp. 942-945. http://gdmltest.u-ga.fr/item/1183504879/