![An extension of semi-open sets with applications on spaces, functions: Topological Space: Saaddullah, Layla, Barakat, Alyas: 9783848493227: Amazon.com: Books An extension of semi-open sets with applications on spaces, functions: Topological Space: Saaddullah, Layla, Barakat, Alyas: 9783848493227: Amazon.com: Books](https://m.media-amazon.com/images/I/61I5q0C22sS._AC_UF1000,1000_QL80_.jpg)
An extension of semi-open sets with applications on spaces, functions: Topological Space: Saaddullah, Layla, Barakat, Alyas: 9783848493227: Amazon.com: Books
![Semi-Open Sets and Semi-Continuity in Topological Spaces: The American Mathematical Monthly: Vol 70, No 1 Semi-Open Sets and Semi-Continuity in Topological Spaces: The American Mathematical Monthly: Vol 70, No 1](https://www.tandfonline.com/cms/10.1080/00029890.1963.11990039/asset//cms/asset/fc0c4ae9-c375-49ca-a6fb-2b1e48200941/00029890.1963.11990039.fp.png)
Semi-Open Sets and Semi-Continuity in Topological Spaces: The American Mathematical Monthly: Vol 70, No 1
![PDF] Semi Generalized Open Sets and Generalized Semi Closed Sets in Topological Spaces | Semantic Scholar PDF] Semi Generalized Open Sets and Generalized Semi Closed Sets in Topological Spaces | Semantic Scholar](https://d3i71xaburhd42.cloudfront.net/b0db7917f6f9e220a47e18ff5e3053fe9c483cd0/6-Figure1-1.png)