@inproceedings{murad2014special,
title={Special polynomial rings, quasi modular forms and duality of topological strings},
author={Murad Alim, Emanuel Scheidegger, Shing-Tung Yau, and Jie Zhou},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203910537240101},
booktitle={Advances in Theoretical and Mathematical Physics},
volume={18},
number={2},
pages={401-467},
year={2014},
}

Murad Alim, Emanuel Scheidegger, Shing-Tung Yau, and Jie Zhou. Special polynomial rings, quasi modular forms and duality of topological strings. 2014. Vol. 18. In Advances in Theoretical and Mathematical Physics. pp.401-467. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224203910537240101.