@online{ timsrc, author = "Lubich, Christian", title = "Vorlesung Algorithmen der Numerischen Mathematik, 20. Stunde", publisher = "Universität Tübingen", year = "2021", month = "May", day = "19", url = "https://timms.uni-tuebingen.de:443/tp/UT_20210519_002_sose21algonum_0001", urldate = "2024-12-27" }