Boukabou, A., A. Chebbah, and A. Belmahboul. 2007. “Stabilizing Unstable Periodic Orbits of the Multi-Scroll Chua’s Attractor”. Nonlinear Analysis: Modelling and Control 12 (4): 469-77. https://doi.org/10.15388/NA.2007.12.4.14678.