Rida T. Farouki, Robert Gutierrez. 4 that generate spatial Pythagorean hodographs. Journal of Symbolic Computation, 73:87-103, 2016. [doi]
@article{FaroukiG16,
title = {4 that generate spatial Pythagorean hodographs},
author = {Rida T. Farouki and Robert Gutierrez},
year = {2016},
doi = {10.1016/j.jsc.2015.03.005},
url = {http://dx.doi.org/10.1016/j.jsc.2015.03.005},
researchr = {https://researchr.org/publication/FaroukiG16},
cites = {0},
citedby = {0},
journal = {Journal of Symbolic Computation},
volume = {73},
pages = {87-103},
}