@online{ timsrc, author = "Markwig, Hannah", title = "Vorlesung Algebra, 9. und 10. Stunde", publisher = "Universität Tübingen", year = "2020", month = "May", day = "06", url = "https://timms.uni-tuebingen.de:443/tp/UT_20200506_001_algebra_0001", urldate = "2024-03-28" }