%0 Journal Article %A Ebert, Johannes %A Randal-Williams, Oscar %T Stable cohomology of the universal Picard varieties and the extended mapping class group %J Documenta mathematica %D 2012 %P 417-450 %V 17 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2012__17__a17/ %G en %F DOCMA_2012__17__a17