Comptes Rendus de L'Academie Bulgare des Sciences, cilt.69, sa.12, ss.1533-1540, 2016 (SCI-Expanded)
© 2016, Academic Publishing House. All rights reserved.In this paper we introduce a class Lp(a, c)C0(α) of multivalent concave functions by using a linear operator extending the Carlson–Shaffer operator. Also, we get distortion bounds for this class.