@online{ timsrc, author = "Deitmar, Anton", title = "Vorlesung Lineare Algebra 1, 4. Stunde", publisher = "Universität Tübingen", year = "2013", month = "Oct", day = "17", url = "https://timms.uni-tuebingen.de:443/tp/UT_20131017_002_lineal1_0001", urldate = "2024-11-23" }