Nonlinear dynamical modelling of chaotic electrostatic ion cyclotron oscillations by jerk equationsA.M. Wharton, M.S. Janaki and A.N.S. IyengarEur. Phys. J. Special Topics, 222 3-4 (2013) 751-755DOI: https://doi.org/10.1140/epjst/e2013-01878-y