Cite

    Youhua Qian et al.. “Weakly resonant double Hopf bifurcation in coupled nonlinear systems with delayed freedback and application of homotopy analysis method.” Journal of low frequency noise, vibration, and active control, vol. 38, no. 3, 2019, pp. 1651–1675. http://access.bl.uk/ark:/81055/vdc_100088593123.0x000009