1. M. Arkowitz, C. R. Curjel, Groups of Homotopy classes,Lecture Notes in Math. 4, Springer, Heidelberg, Berlin, New York, 1967.
2. M. Arkowitz, G. Lupton, On the Nilpotency of Subgroups of Self-Homotopy Equivalences, Progress in Math. 136, Birkhäuser, Basel, 1996, 1–22.
3. W. H. Greub, S. Halperin, J. R. Vanstone, Connections,Curvature and Cohomology, vol. III, Academic Press, New York, 1975.
4. P. Salvatore, Rational Homotopy Nilpotency of Self-Equivalences,Topology Appl. 77 (1997), 37–50.
5. D. Sullivan, Infinitesimal Computation in Topology, Inst. Hautes Études Sci. Publ. Math. 47 (1977), 269–331.