&lt;b&gt;α&lt;sup&gt;γ&lt;/sup&gt;-open sets, α&lt;sup&gt;γ&lt;/sup&gt;-functions and some new separation axioms&lt;/b&gt; - doi: 10.4025/actascitechnol.v35i4.15728
Acta Scientiarum. Technology/Acta scientiarum. Technology