@article{05231673, title = {Minimal closed sets and maximal closed sets.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {2006}, year = {2006}, doi = {10.1155/IJMMS/2006/18647}, zbl = {1152.54304}, language = {en}, url = {http://dml.mathdoc.fr/item/05231673} }
Nakaoka, Fumie; Oda, Nobuyuki. Minimal closed sets and maximal closed sets.. International Journal of Mathematics and Mathematical Sciences, Tome 2006 (2006) . doi : 10.1155/IJMMS/2006/18647. http://gdmltest.u-ga.fr/item/05231673/