1. Remarques sur l'inverses généralisées d'un produit de matrices;Arghriade;Atti Accad. Naz. Lincei Rend. Cl. Sci. Fis. Mat. Natur.,1967
2. Generalized Inverses: Theory and Applications;Ben-Israel,1974
3. Generalized Inverses of Linear Transformations;Campbell,1979
4. About the group inverse and Moore-Penrose inverse of a product;Gouveia;Linear Algebra Appl.,1991
5. Note on the generalized inverse of a matrix product;Greville;SIAM Rev.,1966