@article{GDZPPN001183907,
title = {On Conjugate Gradient Type Methods and Polynomial Preconditioners for a Class of Complex Non-Hermitian Matrices.},
journal = {Numerische Mathematik},
volume = {58},
year = {1990},
pages = {285-312},
zbl = {0702.65034},
url = {http://dml.mathdoc.fr/item/GDZPPN001183907}
}
Freund, Roland. On Conjugate Gradient Type Methods and Polynomial Preconditioners for a Class of Complex Non-Hermitian Matrices.. Numerische Mathematik, Tome 58 (1990) pp. 285-312. http://gdmltest.u-ga.fr/item/GDZPPN001183907/