1. J. V. Brawley and L. Garlitz, “Irreducibles and the composed product for polynomials over a finite field”. Discrete Math. 65 (1987), 115–139.
2. J. V. Brawley, S. Gag and D. Mills, “Computing composed products of polynomials,” in Finite Fields: Theory, Applications, and Algorithms (Waterloo, ON, 1997, R. C. Mullin and G. L. Mullen, Ed.), 1–15, Contemporary Mathematics, 225, Amer. Math. Soc, Providence, RI, 1999.
3. L. Childs, D. Moss and J. Sauerberg, “Dimension one polynomial formal groups”, p. 11–19, in Hopf Algebras, Polynomial Formal Groups, and Raynaud Orders (L. N. Childs, C. Greither, D. J. Moss, J. Sauerberg and K. Zimmermann), Memoirs AMS, no. 651, 1998.
4. M. Hazewinkel, Formal Groups and Applications, Academic Press, New York, 1978.
5. A. J. Menezes, I. F. Blake, X. Gag, R. C. Mullin, S.A. Vanstgne and T. Yaghggbian, Applications of Finite Fields, Kluwer Academic Publishers, Boston-Dordrecht-Lancaster, 1993.