Interaction of solitons and the formation of bound states in the generalized Lugiato-Lefever equationPedro Parra-Rivas, Damia Gomila, Pere Colet and Lendert GelensEur. Phys. J. D, 71 7 (2017) 198DOI: https://doi.org/10.1140/epjd/e2017-80127-5