참고문헌
- D. C. Kent and W. K. Min, Neighborhood spaces, International Journal of Mathematics and Mathematical Sciences 32 (2002), no. 7, 387-399 https://doi.org/10.1155/S0161171202202203
- A. S. Mashhour, A. A. Allam, F. S. Mahmoud and F. H. Khedr, On supraiopological spaces, Indian J. Pure Appl. Math 14 (1983), no. 4, 502-510
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W. K. Min,
$\gamma$ -sets and$\gamma$ -continuous functions, International Journal of Mathematics and Mathematical Sciences 31 (2002), no. 3, 177-181 https://doi.org/10.1155/S0161171202109240 - W. K. Min, On supra-convergence of filters, Indian Journal of Pure and Applied Mathematics 34 (2003), no. 12, 1719-1726