@article{1183740824,
author = {Kopperman, R. D.},
title = {First-Order Topological Axioms},
journal = {J. Symbolic Logic},
volume = {46},
number = {1},
year = {1981},
pages = { 475-489},
language = {en},
url = {http://dml.mathdoc.fr/item/1183740824}
}
Kopperman, R. D. First-Order Topological Axioms. J. Symbolic Logic, Tome 46 (1981) no. 1, pp. 475-489. http://gdmltest.u-ga.fr/item/1183740824/