@article{PismaZhETF.20.762,
    title = {$\pi^0-meson$ pole in $\gamma$ p scattering and proton polarizability},
    author = {Baranov, P. S. and Fil'kov, L. V. and Shtarkov, L. N.},
    journal = {Письма в ЖЭТФ},
    volume = {20},
    issue = {11},
    pages = {762},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27406.shtml},
}