@article{PismaZhETF.77.309,
    title = {Feigenbaum universality in String theory},
    author = {Kogan, I. I. and Polyakov, D.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {77},
    issue = {6},
    pages = {309},
    year = {2003},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_430.shtml},
}