@inproceedings{herb2007erratum:,
title={ERRATUM: A LOCAL PROOF OF PETRI’S CONJECTURE AT THE GENERAL CURVE},
author={Herb Clemens},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160908204124111427692},
booktitle={Journal of Differential Geometry},
volume={77},
number={1},
pages={169-173},
year={2007},
}

Herb Clemens. ERRATUM: A LOCAL PROOF OF PETRI’S CONJECTURE AT THE GENERAL CURVE. 2007. Vol. 77. In Journal of Differential Geometry. pp.169-173. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160908204124111427692.