Sharp distortion theorems for some subclass of close-to-convex functions

For real A, B such that −1 ⩽ B < A ⩽ 1, we denote by R(A,B)R(A,B) the class of functions, such that f′ ≺ (1 + Az)/(1 + Bz  ). Sharp distortion results for functions from RA,BRA,B are obtained.