On the generation and propagation of solitary waves in integrable and nonintegrable nonlinear latticesGuo Deng, Gino Biondini, Surajit Sen and Panayotis G. KevrekidisEur. Phys. J. Plus, 135 7 (2020) 598DOI: https://doi.org/10.1140/epjp/s13360-020-00587-2