@article{PismaZhETF.46.342,
    title = {Possible state of matter just before the collapse stage},
    author = {Markov, M. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {46},
    issue = {9},
    pages = {342},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18605.shtml},
}