@book { LevShestov,
    title = "Lev Shestov",
    author = "Michael {Finkenthal}",
    year = "2010",
    publisher = "Peter Lang Verlag",
    address = "New York, United States of America",
    doi = "10.3726/978-1-4539-0003-1",
    url = "https://www.peterlang.com/document/1050857"
}