1. Ali, R.M., Ravichandran, V., Seenivasagan, N.: Sufficient conditions for Janowski starlikeness. Int. J. Math. Math. Sci. 2007, Art. ID 62925 (2007)
2. Cho, N.E., Kumar, S., Kumar, V., Ravichandran, V.: Differential subordination and radius estimates for starlike functions associated with the Booth lemniscate. Turk. J. Math. 42(3), 1380–1399 (2018)
3. Goodman, A.W.: On uniformly convex functions. Ann. Polon. Math. 56(1), 87–92 (1991)
4. Janowski, W.: Extremal problems for a family of functions with positive real part and for some related families. Ann. Polon. Math. 23, 159–177 (1970/1971)
5. Kanas, S., Wiśniowska, A.: Conic regions and $$k$$-uniform convexity. J. Comput. Appl. Math. 105(1–2), 327–336 (1999)