@article{PismaZhETF.20.632,
    title = {Interference filter for ultracold neutrons},
    author = {Antonov, A. V. and Isakov, A. I. and Mikerov, V. I. and Startsev, S. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {20},
    issue = {9},
    pages = {632},
    year = {1974},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_27364.shtml},
}