F. Min, C. Wei, H. Ma, Y. Dou, and C. Li, “The Switching Function Projective Synchronization Dynamics of two Distinct Van der Pol-Duffing Oscillators with a Memristor-Duffing Oscillator”, DNC, vol. 10, no. 3, pp. 547–570, Aug. 2026, doi: 10.5890/DNC.2021.09.014.