Evdoridou, Vasiliki, David Martí-Pete, och David J. Sixsmith. ”Spiders’ Webs in the Punctured Plane”. Annales Fennici Mathematici 45, no. 1 (februari 1, 2020): 511–531. åtkomstdatum november 22, 2024. https://afm.journal.fi/article/view/135868.