@article{PismaZhETF.46.134,
    title = {Disruption of quantum coherence upon a change in spatial topology in quantum gravity},
    author = {Lavrelashvili, G. V. and Rubakov, V. A. and Tinyakov, P. G.},
    journal = {Письма в ЖЭТФ},
    volume = {46},
    issue = {4},
    pages = {134},
    year = {1987},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_18530.shtml},
}