@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/