Abstract. In the present paper, the estimate of the Hankel determinantMathematics subject classification (2010): 30C45. Keywords and phrases: Univalent functions, strongly starlike functions of order alpha, Hankel determinant. R E F E R E N C E S[1] R. M. ALI, V. SINGH, On the fourth and fifth coefficients of strongly starlike functions, Results in Math.

SummaryIn the present paper, the estimates of some determinants over the class R(α), 0 ≤ α < 1, of analytic functions f standardly normalized such that