@article{PismaZhETF.52.840,
    title = {Possible anomalous interactions of ultracold neutrons},
    author = {Artem'ev, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {52},
    issue = {4},
    pages = {840},
    year = {1990},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17474.shtml},
}