Fix a reference.

diff --git a/9.6/paper.bib b/9.6/paper.bib
index 892b314eded5e67d5b9f11d0925cfc64de8d10f3..b339a47150526c21b70cd211480b5d874f51f03b 100644 (file)
--- a/9.6/paper.bib
+++ b/9.6/paper.bib
@@ -1332,7 +1332,7 @@ doi = {10.1504/IJCSE.2009.029164}
   publisher={ACM New York, NY, USA}
 }
 
-@misc{munch2022gc,
+@article{munch2022gc,
   title = {Efficient Distributed Matrix-free Multigrid Methods on Locally Refined Meshes for {FEM} Computations},
   volume = {10},
   DOI = {10.1145/3580314},