@article{PismaZhETF.61.768,
    title = {Nature and charge states of a Ga impurity in PbTe},
    author = {Vasil'ev, A. N. and Volkov, B. A. and Voloshok, T. N. and Kuvshinnikov, S. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {61},
    issue = {9},
    pages = {768},
    year = {1995},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18267.shtml},
}