@online{ timsrc, author = "Sulz, Dominik AND Lubich, Christian", title = "Vorlesung Numerik stationärer Differentialgleichungen, 55. Stunde", publisher = "Universität Tübingen", year = "2022", month = "Feb", day = "07", url = "https://timms.uni-tuebingen.de:443/tp/UT_20220207_001_ws2022numstatdiff_0001", urldate = "2024-12-21" }