1. A new metric invariant of transient dynamical systems and automorphisms in lebesgue spaces;Kolmogorov;Dokl. Akad. Nauk SSSR,1958
2. On the concept of entropy for a dynamic system;Sinaĭ;Dokl. Akad. Nauk SSSR,1959
3. Topological entropy;Adler;Trans. Amer. Math. Soc.,1965
4. A correlation between topological entropy and metric entropy;Dinaburg;Dokl. Akad. Nauk SSSR,1970
5. Entropy for group endomorphisms and homogeneous spaces;Bowen;Trans. Amer. Math. Soc.,1971