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@@ -251,3 +251,15 @@ Cray wrapper command "ftn" using all the different programming environments
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 7. Parallel version of RealFluid
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+
+
+References:
+R. Abgrall and Dante de Santis, Linear and non-linear high order accurate residual distribution schemes for the discretization of the steady compressible Navier–Stokes equations,
+Journal of Computational Physics, volume 283, 2015
+
+R. Abgrall , M,. Ricchiuto and D. de Santis, High-order preserving residual distribution schemes for advection-diffusion scalar problems on arbitrary grids. ,
+SIAM J. Sci. Comput. 36, No. 3, A955-A983 (2014). 
+
+R. Abgrall, A. Larat and M. Ricchiuto, Construction of very high order residual distribution schemes for steady inviscid flow problems on hybrid unstructured meshes,
+Journal of Computtaional Physics, volume 230(11), 2011
+