Update index.html

Author: gcherchi

index.html

@@ -518,8 +518,8 @@ <h2 class="websection">Cite us</h2>
           <span>booktitle = {Smart Tools and Applications in Graphics},</span><br>
           <span>year      = {2024},</span><br>
           <span>publisher = {The Eurographics Association},</span><br>
-          <span>issn      = {},</span><br>
-          <span>doi       = {}</span><br>
+          <span>issn      = {2617-4855},</span><br>
+          <span>doi       = {10.2312/stag.20241346}</span><br>
           }
         </p>