@article{PismaZhETF.56.185,
    title = {The very late universe},
    author = {Markov, M. A.},
    journal = {Письма в ЖЭТФ},
    volume = {56},
    issue = {4},
    pages = {185},
    year = {1992},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19409.shtml},
}