%0 Journal Article %A K. Schmidt %A P. Gabriel %A M. Lemanczyk %T Extensions of Cocycles for Hyperfinite Actions and Applications. %J Monatshefte für Mathematik %D 1997 %P 209-228 %V 123 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/MOMA_1997__123_1_178770/ %F MOMA_1997__123_1_178770