Corrections of two-photon interactions in the fine and hyperfine structure of the P-energy levels of muonic hydrogenA. E. Dorokhov, N. I. Kochelev, A. P. Martynenko, F. A. Martynenko and A. E. RadzhabovEur. Phys. J. A, 54 8 (2018) 131DOI: https://doi.org/10.1140/epja/i2018-12570-x