@online{ timsrc, author = "Deitmar, Anton", title = "Vorlesung Funktionalanalysis, 28. Stunde", publisher = "Universität Tübingen", year = "2011", month = "Nov", day = "24", url = "https://timms.uni-tuebingen.de:443/tp/UT_20111124_002_funkana_0001", urldate = "2024-11-23" }