Rashidah Omar and  Suzeini Abdul Halim and  Aini Janteng,  Subclasses of Bi-Univalent Functions Associated with Hohlov Operator.   journal   = {International Journal of Mathematical and Computational Sciences}, [online]. World Academy of Science, Engineering and Technology.
    September 2017, vol. 130(10). 465 - 468
    [viewed 24 April 2024]. Available from: https://publications.waset.org/pdf/10008113.