@inproceedings{sergey2004upper,
title={Upper semi-continuity of the Kobayashi-Royden pseudo-norm, a counterexample for Hölderian almost complex structures},
author={Sergey Ivashkovich, Sergey Pinchuk, and Jean-Pierre Rosay},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203615177056873},
booktitle={Arkiv for Matematik},
volume={43},
number={2},
pages={395-401},
year={2004},
}
Sergey Ivashkovich, Sergey Pinchuk, and Jean-Pierre Rosay. Upper semi-continuity of the Kobayashi-Royden pseudo-norm, a counterexample for Hölderian almost complex structures. 2004. Vol. 43. In Arkiv for Matematik. pp.395-401. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20170108203615177056873.