@article{ZVMMF_1999_39_3_a2,
     author = {A. Greenbaum and V. L. Druskin and L. A. Knizhnerman},
     title = {On solving indefinite symmetric linear systems by means of the {Lanczos} method},
     journal = {\v{Z}urnal vy\v{c}islitelʹnoj matematiki i matemati\v{c}eskoj fiziki},
     pages = {371--377},
     publisher = {mathdoc},
     volume = {39},
     number = {3},
     year = {1999},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/ZVMMF_1999_39_3_a2/}
}