@inproceedings{chiew-lan2003approximate,
title={Approximate merging of B-Spline curves via knot adjustment and constrained optimization},
author={Chiew-Lan Tai, Shi-Min Hu, and Qixing Huang},
url={http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160825214403336291451},
booktitle={Computer Aided Design},
volume={35},
number={10},
pages={893 - 899},
year={2003},
}
Chiew-Lan Tai, Shi-Min Hu, and Qixing Huang. Approximate merging of B-Spline curves via knot adjustment and constrained optimization. 2003. Vol. 35. In Computer Aided Design. pp.893 - 899. http://archive.ymsc.tsinghua.edu.cn/pacm_paperurl/20160825214403336291451.