↑ Aubert, Karl Egil; Delphin, Inger Lise A. "Sophus Lie". In Bolstad, Erik (ed.). Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 20 November 2020.
↑ Østby, Leif; Ernst, Frode. "Thomas Fearnley". In Bolstad, Erik (ed.). Store norske leksikon (in Norwegian). Oslo: Norsk nettleksikon. Retrieved 8 February 2025.
This page is based on this Wikipedia article Text is available under the CC BY-SA 4.0 license; additional terms may apply. Images, videos and audio are available under their respective licenses.