Geodesic
Estimates for initial coefficients of certain Bi–univalent functions
Filomat, Tome 35 (2021) no. 6, p. 1993

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DOI

Estimates are obtained for the initial coefficients of a normalized analytic function f in the unit disk D such that f and the analytic extension of f −1 to D belong to certain subclasses of univalent functions. The bounds obtained improve some existing known bounds.
DOI : 10.2298/FIL2106993M
Classification : 30C45, 30C80
Keywords: Bi–univalent functions, Bi–starlike functions, Coefficient estimate, Subordination 
Vibha Madaan; Ajay Kumar; V Ravichandran. Estimates for initial coefficients of certain Bi–univalent functions. Filomat, Tome 35 (2021) no. 6, p. 1993 . doi: 10.2298/FIL2106993M
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     title = {Estimates for initial coefficients of certain {Bi{\textendash}univalent} functions},
     journal = {Filomat},
     pages = {1993 },
     year = {2021},
     volume = {35},
     number = {6},
     doi = {10.2298/FIL2106993M},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.2298/FIL2106993M/}
}
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