%0 Journal Article %A Dorina Raducanu %T Second Hankel determinant for a class of analytic functions defined by q-derivative operator %J Analele Universităţii "Ovidius" Constanţa Seria Matematică %D 2019 %V XXVII %N 2 %I mathdoc %U http://geodesic.mathdoc.fr/item/ASUO_2019_XXVII_2_a14/ %F ASUO_2019_XXVII_2_a14