@article{700796,
title = {Realizations of closure spaces by set systems},
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 = {1972},
pages = {85-87},
mrnumber = {MR0355942},
zbl = {0335.54001},
url = {http://dml.mathdoc.fr/item/700796}
}
Chvalina, J.; Sekanina, M. Realizations of closure spaces by set systems, dans General Topology and its Relations to Modern Analysis and Algebra, GDML_Books, (1972), pp. 85-87. http://gdmltest.u-ga.fr/item/700796/