Duren, Peter L. Coefficients of univalent functions. (English) Zbl 0372.30012 Bull. Am. Math. Soc. 83, 891-911 (1977). MSC: 30C50 30-02 30C45 30C70 30C75 × Cite Format Result Cite Review PDF Full Text: DOI
Duren, P. L.; Schiffer, M. The theory of the second variation in extremum problems for univalent functions. (English) Zbl 0112.30302 J. Anal. Math. 10, 193-252 (1963). × Cite Format Result Cite Review PDF Full Text: DOI