@inproceedings{dorel2014a,
title={A classification result for helix surfaces with parallel mean curvature in product spaces},
author={Dorel Fetcu},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203640278434081},
booktitle={Arkiv for Matematik},
volume={53},
number={2},
pages={249-258},
year={2014},
}
Dorel Fetcu. A classification result for helix surfaces with parallel mean curvature in product spaces. 2014. Vol. 53. In Arkiv for Matematik. pp.249-258. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203640278434081.