1. On the cobar construction;Adams;Proc. Nat. Acad. Sci. U.S.A.,1956
2. Decomposable free loop space;Aguadé;Can. J. Math.,1987
3. Hopf algebra up to homotopy;Anick;J. Amer. Math. Soc.,1989
4. Bitjong Ndombol, J-C. Thomas, An efficient product in the Hochschild homology of a space, Preprint Series of the University of Angers, Vol. 59, August 1998.
5. The cohomology of the vector fields on a manifold;Bott;Topology,1977