%0 Journal Article %A Pei, Jun %A Guo, Li %T Averaging algebras, Schröder numbers, rooted trees and operads %J Journal of Algebraic Combinatorics %D 2015 %P 73-109 %V 42 %N 1 %I mathdoc %U http://geodesic.mathdoc.fr/item/JAC_2015__42_1_a8/ %G en %F JAC_2015__42_1_a8