1. The entropy of an automorphism of a solenoidal group;Abramov;Teor. Veroyatn. Primen.,1959
2. Topological entropy;Adler;Trans. Amer. Math. Soc.,1965
3. Algebraic entropy of shift endomorphisms on abelian groups;Akhavin;Quaest. Math.,2009
4. Finite Rank Torsion Free Abelian Groups and Rings;Arnold,1982
5. Entropy and the fundamental group;Bowen,1978