@book { Ваиваокоо,
    title = "В защиту Льва Троцкого",
    author = "Дэвид {Норт (David North)}",
    year = "2018",
    publisher = "MEHRING Verlag",
    address = "Essen, Germany",
    url = "https://mehring.openpublishing.com/document/425634"
}