@book { NovyematerialyLNTolstogoioTolstom,
    title = "Novye materialy L. N. Tolstogo i o Tolstom",
    author = "A.A. {Donskov}",
    year = "1997",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12968",
    url = "https://www.peterlang.com/document/1067314"
}