@article{1077376682,
author = {V\"ais\"al\"a, Jussi},
title = {The invariance of domain under acyclic mappings},
journal = {Duke Math. J.},
volume = {33},
number = {1},
year = {1966},
pages = { 679-681},
language = {en},
url = {http://dml.mathdoc.fr/item/1077376682}
}
Väisälä, Jussi. The invariance of domain under acyclic mappings. Duke Math. J., Tome 33 (1966) no. 1, pp. 679-681. http://gdmltest.u-ga.fr/item/1077376682/