@article{ETNA_2010__37__a15,
     author = {Le Borne, Sabine and Ngufor, Che},
     title = {An implicit approximate inverse preconditioner for saddle point problems},
     journal = {Electronic transactions on numerical analysis},
     pages = {173--188},
     publisher = {mathdoc},
     volume = {37},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2010__37__a15/}
}