ogine, Freeman, San Francisco, 1980 The Development of Mathematics, E. 7. Bell, McGraw Hill, N.Y. 1945 Deterministic Chaos, An Introduction, Heinz, George Schuster, VCH, Weinheim, 1989 Lectures on Dynamical Systems, Structural Stability and their Applications, Kotic K. Lee, World Scientific, Hongkong, 1992 The