@article{ETNA_2009__35__a0,
     author = {Elman, Howard C. and Tuminaro, Ray S.},
     title = {Boundary conditions in approximate commutator preconditioners for the {Navier-Stokes} equations},
     journal = {Electronic transactions on numerical analysis},
     pages = {257--280},
     publisher = {mathdoc},
     volume = {35},
     year = {2009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2009__35__a0/}
}