Time evolution of localized solutions in 1-dimensional inhomogeneous FPU models F. Martínez-Farías and P. Panayotaros Eur. Phys. J. Special Topics, 227 5-6 (2018) 575-589 Published online: 04 October 2018 DOI: 10.1140/epjst/e2018-00139-6