@article{PismaZhETF.58.399,
    title = {Quantum birth of the universe and initial conditions for inflation},
    author = {Zemlyakov, A. T.},
    journal = {Письма в ЖЭТФ},
    volume = {58},
    issue = {6},
    pages = {399},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17942.shtml},
}