Paolo Costantini, Carla Manni. A bicubic shape-preserving blending scheme. Computer Aided Geometric Design, 13(4):307-331, 1996. [doi]
@article{CostantiniM96,
title = {A bicubic shape-preserving blending scheme},
author = {Paolo Costantini and Carla Manni},
year = {1996},
doi = {10.1016/0167-8396(95)00028-3},
url = {http://dx.doi.org/10.1016/0167-8396(95)00028-3},
researchr = {https://researchr.org/publication/CostantiniM96},
cites = {0},
citedby = {0},
journal = {Computer Aided Geometric Design},
volume = {13},
number = {4},
pages = {307-331},
}