@inproceedings{artur2003virtual,
title={Virtual class of zero loci and mirror theorems},
author={Artur Elezi, and Feng Luo},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210033836962392},
booktitle={Advances in Theoretical and Mathematical Physics},
volume={7},
number={6},
pages={1103-1115},
year={2003},
}

Artur Elezi, and Feng Luo. Virtual class of zero loci and mirror theorems. 2003. Vol. 7. In Advances in Theoretical and Mathematical Physics. pp.1103-1115. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20191224210033836962392.