@article{700814,
title = {Remarks on an algebraic structure for a topology},
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 = {1967},
pages = {17-21},
mrnumber = {MR0242102},
zbl = {0178.01001},
url = {http://dml.mathdoc.fr/item/700814}
}
Abbott, J. C. Remarks on an algebraic structure for a topology, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1967), pp. 17-21. http://gdmltest.u-ga.fr/item/700814/