Leonov G.A.; Kuznetsov N.V. (2013). "Hidden attractors in dynamical systems. From hidden oscillations in Hilbert-Kolmogorov, Aizerman, and Kalman problems to hidden chaotic attractor in Chua circuits". International Journal of Bifurcation and Chaos. 23 (1): 1330002–219. Bibcode:2013IJBC...2330002L. doi:10.1142/S0218127413300024.
Jayawardhana, Bayu; Logemann, Hartmut; Ryan, Eugene (2011). "The Circle Criterion and Input-to-State Stability". IEEE Control Systems Magazine. 31 (4): 32–67. doi:10.1109/MCS.2011.941143. ISSN1066-033X. S2CID84839719.
Leonov G.A.; Kuznetsov N.V. (2013). "Hidden attractors in dynamical systems. From hidden oscillations in Hilbert-Kolmogorov, Aizerman, and Kalman problems to hidden chaotic attractor in Chua circuits". International Journal of Bifurcation and Chaos. 23 (1): 1330002–219. Bibcode:2013IJBC...2330002L. doi:10.1142/S0218127413300024.
Jayawardhana, Bayu; Logemann, Hartmut; Ryan, Eugene (2011). "The Circle Criterion and Input-to-State Stability". IEEE Control Systems Magazine. 31 (4): 32–67. doi:10.1109/MCS.2011.941143. ISSN1066-033X. S2CID84839719.
Jayawardhana, Bayu; Logemann, Hartmut; Ryan, Eugene (2011). "The Circle Criterion and Input-to-State Stability". IEEE Control Systems Magazine. 31 (4): 32–67. doi:10.1109/MCS.2011.941143. ISSN1066-033X. S2CID84839719.