Oleksiy O. Vakhnenko, Coupling-managed criticality in nonlinear dynamics of an integrable exciton-phonon system on a one-dimensional lattice , Low Temp. Phys. 47, (2021) [Fiz. Nizk. Temp. 47, 1186-1190, (2021)] DOI: https://doi.org/10.1063/10.0007084.