1. Ben-Israel, A., Greville, T.N.E.: Generalized inverses: theory and applications. Springer, New York (2003)
2. Campbell, S.L., Meyer, C.D. Jr.: Generalized inverses of linear transformations. Thomson Press (India) Ltd., New Delhi (1979)
3. Wei, Y.M.: A characterization and representation for the generalized inverse $A_{T,S}^{(2)}$ and its applications. Linear Algebra Appl. 870-96, 280 (1998)
4. Wei, Y., Wu, H.: The representation and approximation for the generalized inverse $A_{T,S}^{(2)}$. Appl. Math. Comput. 263–276, 135 (2003)
5. Chen, Y.L.: Iterative methods for computing the generalized inverses $A_{T,S}^{(2)}$ of a matrix A. Appl. Math. Comput. 207–222, 75 (1996)