Jeyaraman, M., J. Rajalakshmi, R. Muthuraj, and O. Ravi. “G - OPEN SETS IN FUZZY TOPOLOGICAL SPACES”. International Journal Of Mathematics And Computer Research, Vol. 2, no. 12, Dec. 2014, pp. 786-95, http://ijmcr.in/index.php/ijmcr/article/view/187.