@article{700959,
title = {On two-to-one functions},
booktitle = {General Topology and its Relations to Modern Analysis and Algebra},
series = {GDML\_Books},
publisher = {Academia Publishing House of the Czechoslovak Academy of Sciences},
address = {Praha},
year = {1962},
pages = {[272]-274},
mrnumber = {MR0146790},
zbl = {0116.14401},
url = {http://dml.mathdoc.fr/item/700959}
}
Mioduszewski, J. On two-to-one functions, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1962), pp. [272]-274. http://gdmltest.u-ga.fr/item/700959/