@online{ timsrc, author = "Lubich, Christian", title = "Vorlesung Numerik stationärer Differentialgleichungen, 18. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Nov", day = "18", url = "https://timms.uni-tuebingen.de:443/tp/UT_20211118_002_ws2022numstatdiff_0001", urldate = "2024-10-14" }