@article{GDZPPN00118377X,
title = {Preconditionings and Splittings for Rectangular Systems.},
journal = {Numerische Mathematik},
volume = {58},
year = {1990},
pages = {85-96},
zbl = {0704.65018},
url = {http://dml.mathdoc.fr/item/GDZPPN00118377X}
}
Neumann, Michael; Hanke, Martin. Preconditionings and Splittings for Rectangular Systems.. Numerische Mathematik, Tome 58 (1990) pp. 85-96. http://gdmltest.u-ga.fr/item/GDZPPN00118377X/