@article{ETNA_1999__8__a5,
     author = {Persson, Ingemar and Samuelsson, Klas and Szepessy, Anders},
     title = {On the convergence of multigrid methods for flow problems},
     journal = {Electronic transactions on numerical analysis},
     pages = {46--87},
     publisher = {mathdoc},
     volume = {8},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1999__8__a5/}
}