@online{ timsrc, author = "Batyrev, Victor", title = "Vorlesung Algebra, 15. Stunde", publisher = "Universität Tübingen", year = "2024", month = "May", day = "13", url = "https://timms.uni-tuebingen.de:443/tp/UT_20240513_001_sose24algebra_0001", urldate = "2024-12-21" }