@article{PismaZhETF.6.611,
    title = {:Quantum Electrodynamics with Two Fermions. II},
    author = {Kompaneets, A. S. and Kruzhkova, L. A.},
    journal = {Письма в ЖЭТФ},
    volume = {6},
    issue = {4},
    pages = {611},
    year = {1967},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25346.shtml},
}