@online{
   timsrc,
   author = "Prohl, Andreas",
   title = "Vorlesung Numerik, 4. Stunde",
   publisher = "Universität Tübingen",
   year = "2021",
   month = "Oct",
   day = "20",
   url = "https://timms.uni-tuebingen.de:443/tp/UT_20211020_002_ws2022numerik_0001",
   urldate = "2023-06-03"
}