@article{ETNA_2012__39__a9,
     author = {Birken, Philipp},
     title = {Optimizing {Runge-Kutta} smoothers for unsteady flow problems},
     journal = {Electronic transactions on numerical analysis},
     pages = {298--312},
     publisher = {mathdoc},
     volume = {39},
     year = {2012},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2012__39__a9/}
}