@book { UkrainianRussophoneOtherRussian,
    title = "Ukrainian, Russophone, (Other) Russian",
    author = "Marco {Puleri}",
    year = "2020",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    doi = "10.3726/b17031",
    url = "https://www.peterlang.com/document/1111328"
}