@article{1077465593,
author = {Michael, Ernest},
title = {Local properties of topological spaces},
journal = {Duke Math. J.},
volume = {21},
number = {1},
year = {1954},
pages = { 163-171},
language = {en},
url = {http://dml.mathdoc.fr/item/1077465593}
}
Michael, Ernest. Local properties of topological spaces. Duke Math. J., Tome 21 (1954) no. 1, pp. 163-171. http://gdmltest.u-ga.fr/item/1077465593/