A characterization of the closure operators by means of one axiom
Portugaliae mathematica, Tome 21 (1962) no. 3, pp. 155-156
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@article{PORMA_1962__21_3_114888,
author = {Morgado, Jos\'e},
title = {A characterization of the closure operators by means of one axiom},
journal = {Portugaliae mathematica},
pages = {155--156},
publisher = {mathdoc},
volume = {21},
number = {3},
year = {1962},
mrnumber = {0148573},
zbl = {0107.25203},
language = {en},
url = {http://geodesic.mathdoc.fr/item/PORMA_1962__21_3_114888/}
}
Morgado, José. A characterization of the closure operators by means of one axiom. Portugaliae mathematica, Tome 21 (1962) no. 3, pp. 155-156. http://geodesic.mathdoc.fr/item/PORMA_1962__21_3_114888/