Kuznetsov N.V.; Kuznetsova O.A.; Leonov G.A. (2011). «Visualization of four normal size limit cycles in two-dimensional polynomial quadratic system». Differential Equations and Dynamical Systems21 (1–2): 29-33. doi:10.1007/s12591-012-0118-6.
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 in Applied Sciences and Engineering23 (1): 1330002-219. Bibcode:2013IJBC...2330002L. doi:10.1142/S0218127413300024.
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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 in Applied Sciences and Engineering23 (1): 1330002-219. Bibcode:2013IJBC...2330002L. doi:10.1142/S0218127413300024.