@book { VVMajakovskijProto,
    title = "V. V. Majakovskij: Pro éto",
    author = "Senta {Everts-Grigat}",
    year = "1975",
    publisher = "Biblion",
    address = ", Germany",
    doi = "10.3726/b12500",
    url = "https://www.peterlang.com/document/1066962"
}