%0 Journal Article %A Pavel Ludvík %A Jiří Spurný %T Descriptive properties of elements of biduals of Banach spaces %J Studia Mathematica %D 2012 %P 71-99 %V 209 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/sm209-1-6/ %R 10.4064/sm209-1-6 %G en %F 10_4064_sm209_1_6