@online{ timsrc, author = "Grammig, Joachim", title = "Lecture Advanced Time Series Analysis, 4. Lesson", publisher = "Universität Tübingen", year = "2020", month = "Nov", day = "06", url = "https://timms.uni-tuebingen.de:443/tp/UT_20201106_002_ws2021atsa_0001", urldate = "2024-11-23" }