John A. Gregory, Muhammad Sarfraz. A rational cubic spline with tension. Computer Aided Geometric Design, 7(1-4):1-13, 1990. [doi]
@article{GregoryS90,
title = {A rational cubic spline with tension},
author = {John A. Gregory and Muhammad Sarfraz},
year = {1990},
doi = {10.1016/0167-8396(90)90017-L},
url = {http://dx.doi.org/10.1016/0167-8396(90)90017-L},
researchr = {https://researchr.org/publication/GregoryS90},
cites = {0},
citedby = {0},
journal = {Computer Aided Geometric Design},
volume = {7},
number = {1-4},
pages = {1-13},
}