Verheul, E. R. Elementary proofs concerning results about functions on the n-sphere. (English) Zbl 0732.55001 Topology Appl. 40, No. 2, 101-116 (1991). Reviewer: Yu. Zelinskij (Kyïv) MSC: 55M20 30C15 55M25 × Cite Format Result Cite Review PDF Full Text: DOI
Baker, John A. Plane curves, polar coordinates and winding numbers. (English) Zbl 0742.30001 Math. Mag. 64, No. 2, 75-91 (1991). Reviewer: J.Matkowski (Bielsko-Biała) MSC: 30-01 30C15 55M20 55M25 × Cite Format Result Cite Review PDF Full Text: DOI
Sommen, F. Monogenic differential calculus. (English) Zbl 0736.30034 Trans. Am. Math. Soc. 326, No. 2, 613-632 (1991). Reviewer: K.Habetha (Aachen) MSC: 30G35 46F15 55M25 58A12 58A14 × Cite Format Result Cite Review PDF Full Text: DOI