@inproceedings{jun2009a,
title={A mathematical theory of the topological vertex},
author={Jun Li, Chiu-Chu Melissa Liu, Kefeng Liu, and Jian Zhou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111239070878609},
booktitle={Geometry & Topology},
volume={13},
number={1},
pages={527-621},
year={2009},
}

Jun Li, Chiu-Chu Melissa Liu, Kefeng Liu, and Jian Zhou. A mathematical theory of the topological vertex. 2009. Vol. 13. In Geometry & Topology. pp.527-621. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191221111239070878609.