Cartan H. Sur la possibilite d entendr aux functions de plusieurs variables complexs la theorie des functions univalents [M]. Gauthier-villar,1933:129-155. [2] Duren P L. Univalent functions [M]. New York: Springer-Verlag,1983. [3] 冯淑霞.多复变数的几类全纯映照族[D].合肥:中国科技大学博士论文,2004. [4] Granham I, Hamada H, Kohr G, et al. Extension operators for locally univalent mappings[J]. Michigan Math.J., 2002(50):37-55