@article{PismaZhETF.73.415,
    title = {Robustness of the inflationary perturbation spectrum  to trans-Planckian physics},
    author = {Starobinsky, A. A.},
    journal = {Письма в ЖЭТФ},
    volume = {73},
    issue = {8},
    pages = {415},
    year = {2001},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_9815.shtml},
}