Danylenko, Vjacheslav, and Sergii Skurativskyi. “Dynamics of Waves in the Cubically Nonlinear Model for Mutually Penetrating Continua”. Discontinuity, Nonlinearity, and Complexity, vol. 6, no. 4, Aug. 2026, pp. 425-33, https://doi.org/10.5890/DNC.2017.12.002.