1. D. V. Anosov, Nielsen numbers of mappings of nilmanifolds, (Russian), Akademiya Nauk SSSR i Moskovskoe Matematicheskoe Obshchestvo. Uspekhi Matematicheskikh Nauk 40 (1985), no. 4, 133–134.
2. N. Bourbaki, Algébres de Lie (Ch.I), Hermann, Paris, 1971.
3. Lecture Notes in Mathematics;R. Bowen,1978
4. E. Fadell and S. Husseini, On a theorem of Anosov on Nielsen numbers for nilmanifolds, in Nonlinear Functional Analysis and its Applications, (S. P. Singh ed.), Reidel, 1986, pp. 47–53.
5. A. Fahti and M. Shub, Some Dynamics of Pseudo-Anosov Diffeomorphism, Expose 10, Travaux de Thurston sur les Surfaces, Asterisque, No. 66–67, 1979.