%0 Journal Article %A Kim, Sang Og %A Park, Choonkil %T Linear Maps on C*-Algebras Preserving the Set of Operators that are Invertible in %J Canadian mathematical bulletin %D 2011 %P 141-146 %V 54 %N 1 %U http://geodesic.mathdoc.fr/articles/10.4153/CMB-2010-087-x/ %R 10.4153/CMB-2010-087-x %F 10_4153_CMB_2010_087_x