Cho, N. E.; Kumar, V.; Kumar, S. S.; Ravichandran, V. Radius problems for starlike functions associated with the sine function. (English) Zbl 1409.30009 Bull. Iran. Math. Soc. 45, No. 1, 213-232 (2019). MSC: 30C45 30C50 30C80 PDFBibTeX XMLCite \textit{N. E. Cho} et al., Bull. Iran. Math. Soc. 45, No. 1, 213--232 (2019; Zbl 1409.30009) Full Text: DOI
Cho, Nak Eun; Kumar, Sushil; Kumar, Virendra; Ravichandran, V. Differential subordination and radius estimates for starlike functions associated with the Booth lemniscate. (English) Zbl 1424.30036 Turk. J. Math. 42, No. 3, 1380-1399 (2018). MSC: 30C45 30C80 PDFBibTeX XMLCite \textit{N. E. Cho} et al., Turk. J. Math. 42, No. 3, 1380--1399 (2018; Zbl 1424.30036) Full Text: DOI