@ARTICLE{
author={Obradovic Milutin C,Peng Zhigang},
year={2019},
title={Some Results for a Class of Subordinate Functions},
journal={FILOMAT},
volume={33},
number={14},
pages={4687-4695},
document_type={Article},
} 

@ARTICLE{
author={Peng Zhigang,Obradovic Milutin C},
year={2019},
title={New Results for a Class of Univalent Functions},
journal={ACTA MATHEMATICA SCIENTIA},
volume={39},
number={6},
pages={1579-1588},
document_type={Article},
} 

@ARTICLE{
author={Peng Zhigang,Obradovic Milutin C},
year={2019},
title={The Estimate of the Difference of Initial Successive Coefficients of Univalent Functions},
journal={JOURNAL OF MATHEMATICAL INEQUALITIES},
volume={13},
number={2},
pages={301-314},
document_type={Article},
} 

@ARTICLE{
author={Obradovic Milutin C,Peng Zhigang},
year={2018},
title={Some New Results for Certain Classes of Univalent Functions},
journal={BULLETIN OF THE MALAYSIAN MATHEMATICAL SCIENCES SOCIETY},
volume={41},
number={3},
pages={1623-1628},
document_type={Article},
}