@book { DiePravilagramatinyedererstesyntaktischeTraktatinRuland,
    title = "Die Pravila gramatičnye, der erste syntaktische Traktat in Rußland",
    author = "Vittorio S. {Tomelleri}",
    year = "1999",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12258",
    url = "https://www.peterlang.com/document/1066781"
}