@inproceedings{jein-shan2009a,
title={A note on convexity of two signomial functions},
author={Jein-Shan Chen, and Chia-Hui Huang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020230056727745486},
booktitle={Journal of Nonlinear and Convex Analysis},
volume={10},
number={3},
pages={429-435},
year={2009},
}
Jein-Shan Chen, and Chia-Hui Huang. A note on convexity of two signomial functions. 2009. Vol. 10. In Journal of Nonlinear and Convex Analysis. pp.429-435. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191020230056727745486.