Quantization and soliton-like solutions for the -model in an optic fiberFrancesco Belgiorno, Sergio L. Cacciatori, Simone Trevisan and Adriano ViganòEur. Phys. J. C, 81 4 (2021) 294DOI: https://doi.org/10.1140/epjc/s10052-021-09084-x