期刊名称:International Journal of Mathematics and Mathematical Sciences
印刷版ISSN:0161-1712
电子版ISSN:1687-0425
出版年度:1999
卷号:22
期号:3
页码:605-610
DOI:10.1155/S0161171299226051
出版社:Hindawi Publishing Corporation
摘要:
We consider the class of univalent functions defined by the conditions f ( z ) / z ≠ 0 and | ( z / f ( z ) ) ′ ′ | ≤ α , | z | < 1 , where f ( z ) = z + ⋯ is analytic in | z | < 1 and 0 < α ≤ 2 .