@inproceedings{mu-tao2003on,
title={On graphic Bernstein type results in higher codimension },
author={Mu-Tao Wang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160822221016010859383},
booktitle={Transactions of the American Mathematical Society },
volume={355},
number={1},
pages={265-271},
year={2003},
}
Mu-Tao Wang. On graphic Bernstein type results in higher codimension . 2003. Vol. 355. In Transactions of the American Mathematical Society . pp.265-271. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160822221016010859383.