@article{PismaZhETF.57.3,
    title = {From instantons to inflationary universe},
    author = {Khalatnikov, I. M. and Schiller, P.},
    journal = {Письма в ЖЭТФ},
    volume = {57},
    issue = {1},
    pages = {3},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17722.shtml},
}