Add reference to skew-symmetric implementation in step-67

diff --git a/examples/step-67/doc/results.dox b/examples/step-67/doc/results.dox
index 42acb5a0dc2954af37ee7fd3defb1b1dbed5f0b4..b94fc295247ea6a7b84b419ea6525c75653ac76c 100644 (file)
--- a/examples/step-67/doc/results.dox
+++ b/examples/step-67/doc/results.dox
@@ -725,6 +725,10 @@ convective form $(\mathbf v, \tilde{\mathbf{F}}(\mathbf w)\nabla
 the equation and the integration formula, and can in some cases by understood
 by special skew-symmetric finite difference schemes.
 
+To get started, interested readers could take a look at
+https://github.com/kronbichler/advection_miniapp, where a
+skew-symmetric DG formulation is implemented with deal.II for a simple advection
+equation.
 
 <h4>Equipping the code for supersonic calculations</h4>