@article{PismaZhETF.36.346,
    title = {Storage of ultracold neutrons in a vessel long enough for $\beta$ decay},
    author = {Kosvintsev, Yu. Yu. and Morozov, V. I. and Terekhov, G. I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {36},
    issue = {9},
    pages = {346},
    year = {1982},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_20198.shtml},
}