@article{Xu_Chen_Chen_2004, title={The Landau problem for univalent bounded nonvanishing functions}, volume={35}, url={https://journals.math.tku.edu.tw/index.php/TKJM/article/view/210}, DOI={10.5556/j.tkjm.35.2004.210}, abstractNote={This paper is to inverstigate the problem of finding $\sup|a_0+a_1+\cdots +a_n|$ for univalent holomorphic nonvanishing functions $ f(z)=a_0+a_1z+\cdots $ in the unit disk $ |z|<1 $.}, number={2}, journal={Tamkang Journal of Mathematics}, author={Xu, Yong and Chen, Dongli and Chen, Dongli}, year={2004}, month={Jun.}, pages={101–104} }