Dipole–monopole alternative in nonlinear dynamics of an integrable gauge-coupled exciton-phonon system on a one-dimensional latticeOleksiy O. Vakhnenko and Andriy P. VerchenkoEur. Phys. J. Plus, 137 10 (2022) 1176DOI: https://doi.org/10.1140/epjp/s13360-022-03335-w