@inproceedings{david2011axial,
title={AXIAL MINIMAL SURFACES IN $S^2 x R$ ARE HELICOIDAL},
author={David Hoffman, and Brian White},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160912072525365553874},
booktitle={Journal of Differential Geometry},
volume={87},
number={3},
pages={515-523},
year={2011},
}
David Hoffman, and Brian White. AXIAL MINIMAL SURFACES IN $S^2 x R$ ARE HELICOIDAL. 2011. Vol. 87. In Journal of Differential Geometry. pp.515-523. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160912072525365553874.