Cui-Xia Li, Shi-Liang Wu. An improved lower bound on a positive stable block triangular preconditioner for saddle point problems. Appl. Math. Lett., 25(12):2174-2178, 2012. [doi]
@article{LiW12a,
title = {An improved lower bound on a positive stable block triangular preconditioner for saddle point problems},
author = {Cui-Xia Li and Shi-Liang Wu},
year = {2012},
doi = {10.1016/j.aml.2012.05.017},
url = {http://dx.doi.org/10.1016/j.aml.2012.05.017},
researchr = {https://researchr.org/publication/LiW12a},
cites = {0},
citedby = {0},
journal = {Appl. Math. Lett.},
volume = {25},
number = {12},
pages = {2174-2178},
}