Ambrazevičius, A., F. Ivanauskas, and H. Pragarauskas. “On Duffing Equation With Random Perturbations”. Nonlinear Analysis: Modelling and Control 15, no. 2 (April 25, 2010): 129–138. Accessed May 4, 2025. https://www.zurnalai.vu.lt/nonlinear-analysis/article/view/14348.