%0 Journal Article %A Saharon Shelah %A Pauli Vaisanen %T On equivalence relations second order definable over $H(\kappa)$ %J Fundamenta Mathematicae %D 2002 %P 1-21 %V 174 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.4064/fm174-1-1/ %R 10.4064/fm174-1-1 %G en %F 10_4064_fm174_1_1