Provide link.

git-svn-id: https://svn.dealii.org/trunk@15785 0785d39b-7218-0410-832d-ea1e28bc413d

diff --git a/deal.II/doc/doxygen/headers/vector_memory.h b/deal.II/doc/doxygen/headers/vector_memory.h
index 20a353bd56327a114158d75e847de1eaed58dd06..8d0021df4605e729e52da9f1937c35ab3b9bffaf 100644 (file)
--- a/deal.II/doc/doxygen/headers/vector_memory.h
+++ b/deal.II/doc/doxygen/headers/vector_memory.h
@@ -20,5 +20,8 @@
  * all use an object of the base class VectorMemory to get their auxiliary
  * vectors.
  *
+ * Some discussion on this topic can be found in the discussion of the
+ * InverseMatrix class in @ref step_20 "step-20".
+ *
  * @ingroup LAC
  */