Two-component description of dynamical systems that can be approximated by solitons:
The case of the ion acoustic wave equations of Plasma Physics, Y. Zarmi, Physica D 238, 1274-1287 (2009).
Construction of soliton equations using special polynomials, G.I. Burde and Y. Zarmi,
Communications in Nonlinear Science and Numerical Simulation, (2012)
10.1016/j.cnsns.2012.08.024
