@article{PismaZhETF.39.89,
    title = {Particle creation in a tunneling universe},
    author = {Rubakov, V. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {39},
    issue = {2},
    pages = {89},
    year = {1984},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_19129.shtml},
}