1. G. V. Osipov, J. Kurths, and Ch. Zhou, Synchronization in Oscillatory Networks (Springer, Berlin, 2007).
2. V. S. Afraimovich, V. I. Nekorkin, G. V. Osipov, and V. D. Shalfeev, Stability, Structures and Chaosin Nonlinear Synchronization Networks (World Scientific, Singapore, 1994).
3. J. Pantaleone, Am. J. Phys. 70, 992 (2002).
4. S. Chhabria, K. A. Blaha, F. D. Rossa, and F. Sorrentino, Chaos 28, 111102 (2018).
5. J. Machowski, J. W. Bialek, and J. R. Bumby, Power System Dynamics: Stability and Control (Wiley, New York, 2002).