1. On the Schwarz-Christoffel transformation and 𝑝-valent functions;Goodman, A. W.;Trans. Amer. Math. Soc.,1950
2. Close-to-convex schlicht functions;Kaplan, Wilfred;Michigan Math. J.,1952
3. The radius of close-to-convexivity within the family of univalent functions;Krzyż, J.;Bull. Acad. Polon. Sci. S\'{e}r. Sci. Math. Astronom. Phys.,1962
4. Univalent majorants;Robinson, Raphael M.;Trans. Amer. Math. Soc.,1947