%0 Journal Article %T The Expression of the Generalized Drazin Inverse of %A Xiaoji Liu %A Dengping Tu %A Yaoming Yu %J Abstract and Applied Analysis %D 2012 %I Hindawi Publishing Corporation %R 10.1155/2012/412872 %X We investigate the generalized Drazin inverse of £¿ over Banach spaces stemmed from the Drazin inverse of a modified matrix and present its expressions under some conditions. %U http://www.hindawi.com/journals/aaa/2012/412872/