@article{Zhang16CAG,
	title = "B-spline surface fitting with knot position optimization ",
	journal = "Computers and Graphics (SI: Shape Modeling International)",
	volume = "58",
	pages = "73 - 83",
	year = "2016",
	author = "Yuhua Zhang and Juan Cao and Zhonggui Chen and Xin Li and Xiao-Ming Zeng",
}