... Transactions of the American Mathematical Society, vol. 68, pp. 204–223, 1950.2 M. K. Aouf, “On a class of p-valent close-to-convex functions of order β and type α,” InternationalJournal of Mathematics ... Cpα of p-valent convex functions of order α if it satisfiesRe1 zfzfz>α0 ≤ α<p,z∈ U. 1.4The class of p-valent convex functions in U is denoted by Cp ... denote this class by Kpβ, γ The class Kpβ, γ was studied by Aouf 2.Wenotethat K1β, γKβ, γ was studied by Libera 3.A function f ∈ Ap is called quasi-convex of order β type...