@article{ETNA_1998__7__a6,
     author = {Knyazev, Andrew V.},
     title = {Preconditioning eigensolvers -- an {Oxymoron?}},
     journal = {Electronic transactions on numerical analysis},
     pages = {104--123},
     publisher = {mathdoc},
     volume = {7},
     year = {1998},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_1998__7__a6/}
}