LAFTA, Mohammed Hadi; AL- ZUBAIDY, Khawla A.. Some Geometric Properties of Multivalent Functions Defined on Hilbert Space. Iraqi Journal of Science, [S.l.], p. 564-571, mar. 2018. ISSN 2312-1637. Available at: <http://scbaghdad.edu.iq/eijs/index.php/eijs/article/view/144>. Date accessed: 18 apr. 2019.