Tim N. T. Goodman, H. B. Said. Shape preserving properties of the generalised ball basis. Computer Aided Geometric Design, 8(2):115-121, 1991. [doi]
@article{GoodmanS91:1,
title = {Shape preserving properties of the generalised ball basis},
author = {Tim N. T. Goodman and H. B. Said},
year = {1991},
doi = {10.1016/0167-8396(91)90037-C},
url = {http://dx.doi.org/10.1016/0167-8396(91)90037-C},
researchr = {https://researchr.org/publication/GoodmanS91%3A1},
cites = {0},
citedby = {0},
journal = {Computer Aided Geometric Design},
volume = {8},
number = {2},
pages = {115-121},
}