In the present paper, we introduce two interesting subclasses of the class of bi-univalent functions defined on the open unit disk U and obtain improved estimates on the initial coefficients |a2|, |a3| and |a4| for the functions in these subclasses.
(2017). On initial coefficient inequalities for certain new subclasses of bi-univalent functions. Journal of the Egyptian Mathematical Society, 25(3), 291-293. doi: 10.1016/j.joems.2017.04.001
MLA
. "On initial coefficient inequalities for certain new subclasses of bi-univalent functions", Journal of the Egyptian Mathematical Society, 25, 3, 2017, 291-293. doi: 10.1016/j.joems.2017.04.001
HARVARD
(2017). 'On initial coefficient inequalities for certain new subclasses of bi-univalent functions', Journal of the Egyptian Mathematical Society, 25(3), pp. 291-293. doi: 10.1016/j.joems.2017.04.001
VANCOUVER
On initial coefficient inequalities for certain new subclasses of bi-univalent functions. Journal of the Egyptian Mathematical Society, 2017; 25(3): 291-293. doi: 10.1016/j.joems.2017.04.001
)
