%0 Journal Article %T Maps Completely Preserving Involutions and Maps Completely Preserving Drazin Inverse %A Hongmei Yao %A Baodong Zheng %A Gang Hong %J ISRN Applied Mathematics %D 2012 %I Hindawi Publishing Corporation %R 10.5402/2012/251389 %U http://dx.doi.org/10.5402/2012/251389