@article{PismaZhETF.54.3,
    title = {Nonperturbative quantum gravity as a theory of integrable hierarchies with constraints},
    author = {Semikhatov, A. M.},
    journal = {πΙΣΨΝΑ Χ φότζ},
    volume = {54},
    issue = {1},
    pages = {3},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17667.shtml},
}