Cowen, Carl C.; Pommerenke, Christian Inequalities for the angular derivative of an analytic function in the unit disk. (English) Zbl 0476.30001 J. Lond. Math. Soc., II. Ser. 26, 271-289 (1982). Page: −5 −4 −3 −2 −1 ±0 +1 +2 +3 +4 +5 Show Scanned Page Cited in 4 ReviewsCited in 30 Documents MSC: 30A10 Inequalities in the complex plane Keywords:angular derivative; fixed point; Blaschke product; Grunsky type inequalities PDFBibTeX XMLCite \textit{C. C. Cowen} and \textit{C. Pommerenke}, J. Lond. Math. Soc., II. Ser. 26, 271--289 (1982; Zbl 0476.30001) Full Text: DOI