Department of Mathematics, Faculty of Science, Tanta University, Tanta, Egypt
Department of Mathematics, Faculty of Science, Zagazig University, Zagazig, Egypt
Copyright © 2012 Amgad S. Salama, Hassan M. Abu-Donia et al. This is
an open access article distributed under the Creative Commons Attribution
License, which permits unrestricted use, distribution, and reproduction in any
medium, provided the original work is properly cited.
How to Cite this Article
A. Salama and H. Abu-Donia, "Generalizations of Rough Functions in Topological Spaces by Using Pre-Open Sets,"
Journal of Intelligent Learning Systems and Applications, Vol. 4 No. 2, 2012, pp. 127-134. doi:
10.4236/jilsa.2012.42012.