@article{PismaZhETF.36.204,
    title = {Quantum diffusion and recombination of atoms in a crystal at low temperatures},
    author = {Kagan, Yu. and Maksimov, L. A. and Prokof'ev, N. V.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {36},
    issue = {6},
    pages = {204},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20157.shtml},
}