Removed duplicate reference

sagemath · Aug 5, 2015 · 3f371f8 · 3f371f8
1 parent 5c78561
commit 3f371f8
Showing 1 changed file with 0 additions and 6 deletions.
diff --git a/src/sage/graphs/generic_graph.py b/src/sage/graphs/generic_graph.py
@@ -14863,12 +14863,6 @@ def wiener_index(self, by_weight=False, algorithm=None,
             Traceback (most recent call last):
             ...
             ValueError: BFS algorithm does not work on weighted graphs.
-
-        REFERENCE:
-
-        .. [KRG96b] S. Klavzar, A. Rajapakse, and I. Gutman. The Szeged and the
-           Wiener index of graphs. *Applied Mathematics Letters*, 9(5):45--49,
-           1996.
         """
         by_weight = by_weight or (weight_function is not None)