@book { PoetikaSlovaopolkuIgoreve,
    title = "Poetika Slova o polku Igoreve",
    author = "Boris M. {Gasparov}",
    year = "1984",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12916",
    url = "https://www.peterlang.com/document/1067273"
}