Geometric and annular starlike functions Footnote^∗

^∗This paper is dedicated to James A Hummer.

References

• Bender , J. 1962 . Some extremal theorems for multivalently star-like functions . Duke Math J , 29 : 101 – 106 .
   Web of Science ®Google Scholar
• Brannan , D.A. and Kirwan , W.E. 1969 . On some classes of bounded univaient functions . J London Math Soc , 1 ( 2 ) : 431 – 443 .
   Google Scholar
• Goodman , A.W. and Saff , E.B. 1979 . On univalent functions convex in one direction . Proc Amer Math Soc , 73 ( 2 ) : 183 – 187 .
   Web of Science ®Google Scholar
• Hengartner , W. and Schober , G. 1973 . A remark on level curves for domains convex in one direction . Appl Anal , 3 ( 2 ) : 101 – 106 .
   Google Scholar
• Hummel , J.A. 1967 . Multivalent starlike functions . J Analyse Math , 18 ( 2 ) : 133 – 160 .
   Google Scholar
• Ma , W. and Minda , D. 1991 . An internal geometric characterization of strongly starlike functions . Ann Univ Marie Curie-Sklodowska Sect A , 45 ( 11 ) : 87 – 97 .
   Google Scholar
• Styer , D. 1976 . An analytic characterization of geometrically starlike functions . Michigan Math J , 23 ( 11 ) : 137 – 139 .
   Google Scholar