K. C. B. Benedetti, P. B. Gonçalves, S. Lenci, and G. Rega, “Stochastic Global Dynamics of a Duffing Oscillator with a Symmetry-Breaking Parameter”, JVTSD, vol. 9, no. 2, pp. 169–177, Aug. 2026, doi: 10.5890/JVTSD.2025.06.007.