Abstract：In this paper,the inner radius of univalency of hyperbolic domains by pre-Schwarzian derivative is studied.Based on any quasidisk,two general formulas for the lower bound on inner radius of univalence in the sense of pre-Schwarzian derivative were establi
程涛; 石艳. 基于任意拟圆的对数导数意义下区域的单叶性内径[J]. 南昌大学学报（理科版）, 2009, 33(03): 1-.
SHI Yan,CHENG Tao(College of Mathematics and Information Science,Jiangxi Normal University,Nanchang 330022,China). . , 2009, 33(03): 1-.
2009, Vol. 33 