Libera, Richard J.; Ziegler, Michael R. Regular functions f(\(z\)) for which \(zf\)’(\(z\)) is \(\alpha\)-spiral. (English) Zbl 0245.30009 Trans. Am. Math. Soc. 166, 361-370 (1972). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 2 ReviewsCited in 13 Documents MSC: 30C45 Special classes of univalent and multivalent functions of one complex variable (starlike, convex, bounded rotation, etc.) 30C75 Extremal problems for conformal and quasiconformal mappings, other methods PDF BibTeX XML Cite \textit{R. J. Libera} and \textit{M. R. Ziegler}, Trans. Am. Math. Soc. 166, 361--370 (1972; Zbl 0245.30009) Full Text: DOI