![](/img/cover-not-exists.png)
On generalizing covering approximation space
Abd El-Monsef, M.E., Kozae, A.M., El-Bably, M.K.Volume:
23
Language:
english
Journal:
Journal of the Egyptian Mathematical Society
DOI:
10.1016/j.joems.2014.12.007
Date:
October, 2015
File:
PDF, 823 KB
english, 2015