1. Hopf algebras up to homotopy;Anick;J. Amer. Math. Soc.,1989
2. The Adams-Hilton model for a fibration over a sphere;Anick;J. Pure Appl. Algebra,1991
3. Differential algebras topology;Anick,1993
4. Exponents in homotopy theory;Cohen,1987
5. Torsion in homotopy groups;Cohen;Ann. Math.,1979