Update main.py

main.py

@@ -102,7 +102,7 @@ def preprocess(query: str, k: int) -> tuple[str, str]:
                 ]
             )
 
-        research_abstracts += top_five["bibtex"] + "\n"
+        research_abstracts += top_five["bibtex"].values[i] + "\n"
         references += (
             str(i + 1)
             + ". "