@book { LogikundWahrheitansichbeiBolzano,
    title = "Logik und Wahrheit an sich bei Bolzano",
    author = "Antoun-Hamid {Mourany}",
    year = "2021",
    publisher = "Peter Lang Verlag",
    address = "Berlin, Germany",
    url = "https://www.peterlang.com/document/1070405"
}