@article{PismaZhETF.26.366,
    title = {Positronium-like states in metals},
    author = {Dekhtyar, I. Ya. and Madatova, E. G. and Silant'ev, V. I. and Adonin, V. T. and Likhtorovich, S. P. and Rustamov, Sh. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {26},
    issue = {5},
    pages = {366},
    year = {1977},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20900.shtml},
}