[1]
“Combing: The Hair of a Hairy Ball?. Geometry with the Hairy Ball Theorem: A Practical Proposal for Bringing the Sphere into the Mathematics Classroom”, GJSFR, vol. 23, no. F4, pp. 1–8, Aug. 2023, Accessed: Feb. 04, 2026. [Online]. Available: https://testing.journalofscience.org/index.php/GJSFR/article/view/102699