@article{01751245, title = {Covering properties for }, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {25}, year = {2001}, pages = {549-558}, doi = {10.1155/S0161171201004951}, zbl = {0996.54040}, language = {en}, url = {http://dml.mathdoc.fr/item/01751245} }
Andrikopoulos, A.; Stabakis, J.N. Covering properties for . International Journal of Mathematics and Mathematical Sciences, Tome 25 (2001) pp. 549-558. doi : 10.1155/S0161171201004951. http://gdmltest.u-ga.fr/item/01751245/