@article{1103043515, author = {Whyburn, G. T.}, title = {Dimension and non-density preservation of mappings.}, journal = {Pacific J. Math.}, volume = {7}, number = {4}, year = {1957}, pages = { 1243-1249}, language = {en}, url = {http://dml.mathdoc.fr/item/1103043515} }
Whyburn, G. T. Dimension and non-density preservation of mappings.. Pacific J. Math., Tome 7 (1957) no. 4, pp. 1243-1249. http://gdmltest.u-ga.fr/item/1103043515/