%0 Journal Article %A Sungeun Jung %A Yoenha Kim %A Eungil Ko %A Ji Eun Lee %T On $(A,m)$-expansive operators %J Studia Mathematica %D 2012 %P 3-23 %V 213 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm213-1-2/ %R 10.4064/sm213-1-2 %G en %F 10_4064_sm213_1_2