Effects of light-by-light scattering in the Lamb shift and hyperfine structure of muonic hydrogenA. E. Dorokhov, A. P. Martynenko, F. A. Martynenko and A. E. RadzhabovEPJ Web Conf., 222 (2019) 03010DOI: https://doi.org/10.1051/epjconf/201922203010
