Certain classes of meromorphic multivalent functions

@article{Wang2009CertainCO,
  title={Certain classes of meromorphic multivalent functions},
  author={Zhigang Wang and Yong Sun and Zhi-Hua Zhang},
  journal={Computers & Mathematics with Applications},
  year={2009},
  volume={58},
  pages={1408-1417}
}