Occurrence of multiphoton resonances in five-level systems by large-amplitude driving fieldsMostafa Karami, Alireza Javdani, Khadijeh Karami and Firoozeh JamshidiEur. Phys. J. D, 73 8 (2019) 179DOI: https://doi.org/10.1140/epjd/e2019-90600-8