%0 Journal Article %A Brunault, François %T On Zagier's conjecture for base changes of elliptic curves %J Documenta mathematica %D 2013 %P 395-412 %V 18 %I mathdoc %U http://geodesic.mathdoc.fr/item/DOCMA_2013__18__a34/ %G en %F DOCMA_2013__18__a34