@article{ETNA_2014__42__a5,
     author = {Baglama,  James and Richmond,  Daniel J.},
     title = {Implicitly restarting the {LSQR} algorithm},
     journal = {Electronic transactions on numerical analysis},
     pages = {85--105},
     year = {2014},
     volume = {42},
     zbl = {1295.65040},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ETNA_2014__42__a5/}
}