@online{ timsrc, author = "Zeller, Rüdiger", title = "Vorlesung Mathematik III, 31. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Dec", day = "09", url = "https://timms.uni-tuebingen.de:443/tp/UT_20211209_001_ws2022mathe3_0001", urldate = "2024-10-11" }