1. A. Ben-Israel, T. N. E. Greville, Generalized Inverse Theory and Applications, second ed., Springer Verlag, NewYork, 2003.
2. Generalized Inverses of Linear Transformations;Campbell,1979
3. Generalized Inverses: Theory and Computations;Wang,2004
4. Representations for the weighted Moore–Penrose inverse of a partitioned matrix;Miao;J. Comput. Math.,1989
5. Inverse order rule for weighted generalized inverse;Sun;SIAM J. Matrix Anal. Appl.,1998