Hans Hagen, Paolo Santarelli. Chapter 5: Variational Design of Smooth B-Spline Surfaces. In Hans Hagen, editor, Topics in Surface Modeling. pages 85-92, SIAM, 1992. [doi]
@incollection{HagenS92,
title = {Chapter 5: Variational Design of Smooth B-Spline Surfaces},
author = {Hans Hagen and Paolo Santarelli},
year = {1992},
doi = {10.1137/1.9781611971644.ch5},
url = {https://doi.org/10.1137/1.9781611971644.ch5},
researchr = {https://researchr.org/publication/HagenS92},
cites = {0},
citedby = {0},
pages = {85-92},
booktitle = {Topics in Surface Modeling},
editor = {Hans Hagen},
publisher = {SIAM},
isbn = {978-0-89871-282-7},
}