@article{PismaZhETF.11.456,
    title = {Localized Excitations in Crystals with Dislocations},
    author = {Lifshitz, I. M. and Pushkarov, Kh. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {11},
    issue = {9},
    pages = {456},
    year = {1970},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_26165.shtml},
}