%0 Journal Article %A Bellier, Olivia %T Koszul duality theory for operads over Hopf algebras %J Algebraic and Geometric Topology %D 2014 %P 1-35 %V 14 %N 1 %U http://geodesic.mathdoc.fr/articles/10.2140/agt.2014.14.1/ %R 10.2140/agt.2014.14.1 %F 10_2140_agt_2014_14_1