1. Generalized Inverse: Theory and Applications;Ben-Israel,2003
2. Generalized Inverse Matrix: Theory and Methods;Chen,2005
3. Numerical Methods for Least Squares Problems;Björck,1996
4. Generalized Inverses of Linear Transformations;Campbell,1979
5. Norm-preserving dilations and their applications to optimal error bounds;Davis;SIAM J. Numer. Anal.,1982