@inproceedings{d.1989a,
title={A lattice version of the KP equation},
author={D. Gieseker},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203317963137469},
booktitle={Acta Mathematica},
volume={168},
number={1},
pages={219-248},
year={1989},
}