http://epubs.siam.org/sima/resource/1/sjmael
http://epubs.siam.org/sisc/
http://www.sciencedirect.com/science/journal/00219991
http://onlinelibrary.wiley.com/journal/10.1002/(ISSN)1099-1506
http://www.sciencedirect.com/science/journal/00243795
http://www.sciencedirect.com/science/journal/03770427
http://www.sciencedirect.com/science/journal/00457825