1. C. Mira, Systèmes asservis non linéaires, Ed. Hermès, Paris (1990) p. 425
2. Dry turbulence from a time-delayed Chua's circuit;Sharkovsky;Journal of Circuits, Systems and Computers,1993
3. A.N. Sharkovsky, Yu.L. Maistrenko, E. Yu, Romanenko, Difference equations and their Applications. Series Mathematics and its Applications, Kluwer Academic Publishers, 1993, p. 358
4. I. Gumowski, C. Mira, Dynamique chaotique. Ed. Cépadues, Toulouse (1980)
5. Bifurcation déstabilisant une solution chaotique d'un endomorphisme du second ordre;Gumowski;Comptes Rendus Acad. Sc. Paris, Série A,1978