1. 1. R. Abraham and J. Marsden, Foundations of mechanics, Benjamin, New York, 1967.
2. Topological entropy;Adler, R. L.;Trans. Amer. Math. Soc.,1965
3. The entropy of Chebyshev polynomials;Adler, R. L.;Trans. Amer. Math. Soc.,1966
4. Homeomorphic conjugacy of automorphisms on the torus;Adler, R. L.;Proc. Amer. Math. Soc.,1965