@article{ETNA_2002__14__a12,
     author = {Beckermann, Bernhard and Kuijlaars, Arno B.J.},
     title = {Superlinear {CG} convergence for special right-hand sides},
     journal = {Electronic transactions on numerical analysis},
     pages = {1--19},
     publisher = {mathdoc},
     volume = {14},
     year = {2002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2002__14__a12/}
}