@article{1077491728,
author = {Wallace, A. D.},
title = {Monotone coverings and monotone transformations},
journal = {Duke Math. J.},
volume = {6},
number = {1},
year = {1940},
pages = { 31-37},
language = {en},
url = {http://dml.mathdoc.fr/item/1077491728}
}
Wallace, A. D. Monotone coverings and monotone transformations. Duke Math. J., Tome 6 (1940) no. 1, pp. 31-37. http://gdmltest.u-ga.fr/item/1077491728/