Gao, Chunyi On a coefficient inequality for a certain class of analytic functions. (Chinese. English summary) Zbl 0599.30051 J. Hunan Univ. 11, No. 4, 132-138 (1984). MSC: 30C50 30C45 PDFBibTeX XMLCite \textit{C. Gao}, J. Hunan Univ. 11, No. 4, 132--138 (1984; Zbl 0599.30051)
Gao, Chunyi On the Springer’s conjecture. (Chinese. English summary) Zbl 0593.30021 J. Hunan Univ. 11, No. 1, 119-121 (1984). MSC: 30C50 30C45 PDFBibTeX XMLCite \textit{C. Gao}, J. Hunan Univ. 11, No. 1, 119--121 (1984; Zbl 0593.30021)