On chaotic vibrations of a non-ideal system with two degrees of freedom: 1 : 2 resonance and Sommerfeld effect

Tsuchida, M., De Lolo Guilherme, K., & Balthazar, J. M. (2005). On chaotic vibrations of a non-ideal system with two degrees of freedom: 1 : 2 resonance and Sommerfeld effect. Journal of Sound and Vibration, 282(3–5), 1201–1207. https://doi.org/10.1016/j.jsv.2004.04.025