@article{PismaZhETF.68.721,
    title = {How to determine an effective potential for a variable cosmological term},
    author = {Starobinsky, A. A.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {68},
    issue = {10},
    pages = {721},
    year = {1998},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_14789.shtml},
}