@article{PismaZhETF.43.565,
    title = {"Irreversibility" of the flux of the renormalization group in a 2D field theory},
    author = {Zomolodchikov, A. B.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {43},
    issue = {12},
    pages = {565},
    year = {1986},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_21504.shtml},
}