@book { DieHypothekimdeutschenundukrainischenRecht,
    title = "Die Hypothek im deutschen und ukrainischen Recht",
    author = "Oleksiy {Feliv}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1106996"
}