Existence and switching behavior of bright and dark Kerr solitons in whispering-gallery mode resonators with zero group-velocity dispersionJimmi H. Talla Mbé, Carles Milián and Yanne K. ChemboEur. Phys. J. D, 71 7 (2017) 196DOI: https://doi.org/10.1140/epjd/e2017-80132-8