拟圆的一个条件

A Condition for Quasicircles

在吴泽民把GehringFW和MatioO给出的拟圆的一个必要条件精确化为充要条件的基础上,做进一步研究,获得了新的定理,从而改进了吴泽民的结果。

Wu Zemin had transformed Gehring,F.W. and Matio.O's necessary condition for quasicircles into a sufficient and necessary condition. In this paper, the authors further the study of this condition and obtain a new (result).