Pre-open and pre-closed sets in a topological space.
| Autor: | Bahan, Reema1 reemabahan1973@gmail.com, Pandey, R. N.2 ashutoshvinayak1967@gmail.com |
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| Zdroj: | Bulletin of Pure & Applied Sciences-Mathematics. Jul-Dec2020, Vol. 39E Issue 2, p309-311. 3p. |
| Databáze: | Academic Search Ultimate |
| Externí odkaz: |
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