1. Abdullah, A.S., Ali, R.M., Singh, V.: On functions starlike with respect to a boundary point. Ann. Univ. Mariae Curie Skłodowska Sect. A 50, 7–15 (1996)
2. Aharonov, D., Elin, M., Shoikhet, D.: Spiral-like functions with respect to a boundary point. J. Math. Anal. Appl. 280(1), 17–29 (2003)
3. Clunie, J.: On meromorphic schlicht functions. J. Lond. Math. Soc. 34, 215–216 (1959)
4. Ch’ên, M.P., Owa, S.: Generalization of Robertson functions, In: Complex analysis and its applications (Hong Kong, 1993), Pitman Res. Notes Math. Ser., vol. 305, pp. 159–165. Longman Sci. Tech., Harlow
5. Dong, J., Liu, L.: Distortion properties of a class of functions starlike with respect of a boundary point. Heilongjiang Daxue Ziran Kexue Xuebao 15(4), 1–6 (1998)