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	address = {Berlin, Heidelberg},
	title = {Conjugate gradient methods for indefinite systems},
	volume = {506},
	isbn = {978-3-540-07610-0 978-3-540-38129-7},
	booktitle = {Numerical {Analysis}},
	publisher = {Springer Berlin Heidelberg},
	author = {Fletcher, R.},
	editor = {Watson, G. Alistair},
	year = {1976},
	pages = {73--89}
}

@article{voevodin_question_1983,
	title = {The question of non-self-adjoint extension of the conjugate gradients method is closed},
	volume = {23},
	issn = {00415553},
	language = {en},
	number = {2},
	journal = {USSR Computational Mathematics and Mathematical Physics},
	author = {Voevodin, V.V.},
	month = jan,
	year = {1983},
	pages = {143--144},
	file = {[Voevodin.1983] The question of non-self-adjoint extension of the conjugate gradients method is.pdf:/home/kisung/Dropbox/V2. Applied Mathematics/P2. Numerical/S3. linsolve/[Voevodin.1983] The question of non-self-adjoint extension of the conjugate gradients method is.pdf:application/pdf}
}

@article{van_der_vorst_bi-cgstab:_1992,
	title = {Bi-{CGSTAB}: {A} {Fast} and {Smoothly} {Converging} {Variant} of {Bi}-{CG} for the {Solution} of {Nonsymmetric} {Linear} {Systems}},
	volume = {13},
	issn = {0196-5204, 2168-3417},
	shorttitle = {Bi-{CGSTAB}},
	language = {en},
	number = {2},
	journal = {SIAM Journal on Scientific and Statistical Computing},
	author = {van der Vorst, H. A.},
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	year = {1992},
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@book{saad_iterative_2003,
	address = {Philadelphia},
	edition = {2nd ed},
	title = {Iterative methods for sparse linear systems},
	isbn = {978-0-89871-534-7},
	publisher = {SIAM},
	author = {Saad, Y.},
	year = {2003},
	keywords = {Differential equations, Partial, Iterative methods (Mathematics), Numerical solutions, Sparse matrices}
}

@article{hestenes_methods_1952,
	title = {Methods of conjugate gradients for solving linear systems},
	volume = {49},
	issn = {0091-0635},
	language = {en},
	number = {6},
	journal = {Journal of Research of the National Bureau of Standards},
	author = {Hestenes, M.R. and Stiefel, E.},
	month = dec,
	year = {1952},
	pages = {409}
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@article{sonneveld_cgs_1989,
	title = {{CGS}, {A} {Fast} {Lanczos}-{Type} {Solver} for {Nonsymmetric} {Linear} systems},
	volume = {10},
	issn = {0196-5204, 2168-3417},
	language = {en},
	number = {1},
	journal = {SIAM Journal on Scientific and Statistical Computing},
	author = {Sonneveld, Peter},
	month = jan,
	year = {1989},
	pages = {36--52}
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@article{gutknecht_chebyshev_2002,
	title = {The {Chebyshev} iteration revisited},
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	issn = {01678191},
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	journal = {Parallel Computing},
	author = {Gutknecht, Martin H. and Röllin, Stefan},
	month = feb,
	year = {2002},
	pages = {263--283}
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@article{saad_gmres:_1986,
	title = {{GMRES}: {A} {Generalized} {Minimal} {Residual} {Algorithm} for {Solving} {Nonsymmetric} {Linear} {Systems}},
	volume = {7},
	issn = {0196-5204, 2168-3417},
	shorttitle = {{GMRES}},
	language = {en},
	number = {3},
	journal = {SIAM Journal on Scientific and Statistical Computing},
	author = {Saad, Youcef and Schultz, Martin H.},
	month = jul,
	year = {1986},
	pages = {856--869}
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@book{demmel_applied_1997,
	title = {Applied {Numerical} {Linear} {Algebra}},
	isbn = {978-0-89871-389-3 978-1-61197-144-6},
	language = {en},
  publisher = {Society for Industrial and Applied Mathematics},
	author = {Demmel, James W.},
	month = jan,
	year = {1997}
}

@article{freund_qmr:_1991,
	title = {{QMR}: a quasi-minimal residual method for non-{Hermitian} linear systems},
	volume = {60},
	issn = {0029-599X, 0945-3245},
	language = {en},
	number = {1},
	journal = {Numerische Mathematik},
	author = {Freund, Roland W. and Nachtigal, No�l M.},
	month = dec,
	year = {1991},
	pages = {315--339}
}