%0 Journal Article %A Sameer Chavan %T On operators Cauchy dual to 2-hyperexpansive operators: the unbounded case %J Studia Mathematica %D 2011 %P 129-162 %V 203 %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm203-2-2/ %R 10.4064/sm203-2-2 %G en %F 10_4064_sm203_2_2