@article{PismaZhETF.58.598,
    title = {Gravitational descendants as generators of  diffeomorphisms of the target space in topological Landau - Ginzburg  gravity},
    author = {Losev, A. and Polyubin, I.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {58},
    issue = {8},
    pages = {598},
    year = {1993},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_4774.shtml},
}