1. N. T. Petrovich and M. K. Razmakhnin, Noise-Like Communication Systems (Sovetskoe Radio, Moscow, 1969) [in Russian].
2. L. E. Varakin, Communications with Noise-Type Signals (Radio i Svyaz’, Moscow, 1985) [in Russian].
3. N. T. Petrovich, Relative Methods of Information Transmission (Kniga-M, Moscow, 2003).
4. G. Kolumban and M. Kennedy, IEEE Trans. Circuits Syst. 44, 927 (1997).
5. L. Kocarev, K. S. Halle, K. Eckert, et al., Int. J. Bifurcation and Chaos 2, 709 (1992).