Gupta, V. P.; Ahmad, Iqbal Certain classes of functions univalent in the unit disc. II. (English) Zbl 0401.30013 Bull. Inst. Math., Acad. Sin. 7, 7-13 (1979). MSC: 30C45 30C50 PDFBibTeX XMLCite \textit{V. P. Gupta} and \textit{I. Ahmad}, Bull. Inst. Math., Acad. Sin. 7, 7--13 (1979; Zbl 0401.30013)
Gupta, V. P.; Ahmad, Iqbal Certain classes of functions univalent in the unit disc. (English) Zbl 0386.30007 Bull. Inst. Math., Acad. Sin. 5, 379-389 (1977). MSC: 30C45 30C50 PDFBibTeX XMLCite \textit{V. P. Gupta} and \textit{I. Ahmad}, Bull. Inst. Math., Acad. Sin. 5, 379--389 (1977; Zbl 0386.30007)