1. Clunie, J.G.: On meromorphic schlicht functions. J. London Math. Soc. 34, 215–216 (1959)
2. Clunie, J.G., Keogh, F.R.: On starlike and convex schlicht functions. J. London Math. Soc. 35, 229–233 (1960)
3. Duren, P.L.: Univalent functions (Grundlehren der mathematischen Wissenschaften 259. Berlin, Heidelberg, Tokyo), Springer, New York (1983)
4. Goodman, A.W.: Univalent functions, vol. 2. Mariner, Tampa, Florida (1983)
5. Jensen, G., Pommerenke, Ch.: On a function-theoretic ruin problem. Ann. Acad. Sci. Fenn. Math. 32(2), 523–543 (2007)