%0 Journal Article %A Anick, David J. %T Hopf algebras up to homotopy %J Journal of the American Mathematical Society %D 1989 %P 417-453 %V 02 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/articles/10.1090/S0894-0347-1989-0991015-7/ %R 10.1090/S0894-0347-1989-0991015-7 %F 10_1090_S0894_0347_1989_0991015_7