@article{PismaZhETF.68.893,
    title = {Ground state instability in systems of strongly interacting fermions},
    author = {Artamonov, S. A. and Pogorelov, Yu. G. and Shaginyan, V. R.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {68},
    issue = {12},
    pages = {893},
    year = {1998},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14820.shtml},
}