@online{ timsrc, author = "Lubich, Christian", title = "Vorlesung Numerik stationärer Differentialgleichungen, 37. Stunde", publisher = "Universität Tübingen", year = "2021", month = "Dec", day = "23", url = "https://timms.uni-tuebingen.de:443/tp/UT_20211223_001_ws2022numstatdiff_0001", urldate = "2024-12-22" }