Peter N. Brown, Homer F. Walker. GMRES On (Nearly) Singular Systems. SIAM J. Matrix Analysis Applications, 18(1):37-51, January 1997. [doi]
@article{BrownW97-1,
title = {GMRES On (Nearly) Singular Systems},
author = {Peter N. Brown and Homer F. Walker},
year = {1997},
month = {January},
doi = {10.1137/s0895479894262339},
url = {https://doi.org/10.1137/s0895479894262339},
researchr = {https://researchr.org/publication/BrownW97-1},
cites = {0},
citedby = {0},
journal = {SIAM J. Matrix Analysis Applications},
volume = {18},
number = {1},
pages = {37-51},
}