@article{JETPL.114.212,
    title = {Nonresonant Effects in the Two-Photon Spectroscopy of a Hydrogen Atom: Application to the Calculation of the Charge Radius of the Proton},
    author = {Anikin, A. A. and Zalialiutdinov, T. A. and Solovyev, D. A.},
    journal = {JETP Lett.},
    volume = {114},
    issue = {4},
    pages = {180},
    year = {2021},
    doi = {10.1134/S0021364021160037},
    url = {http://jetpletters.ru/ps/dx/10.31857/S1234567821160035},
    note = {[Pisma v ZhETF 114, 212 (2021)]}
}