@article{PismaZhETF.8.110,
    title = {On the possibility of Verifying the Equivalence Principle (for the Electromagnetic Field) in Second Order in the Newtonian Gravitational Constant},
    author = {Naida, O. N.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {8},
    issue = {2},
    pages = {110},
    year = {1968},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_25922.shtml},
}