Paolo Costantini, Carla Manni. A local scheme for bivariate co-monotone interpolation. Computer Aided Geometric Design, 8(5):371-391, 1991. [doi]
@article{CostantiniM91,
title = {A local scheme for bivariate co-monotone interpolation},
author = {Paolo Costantini and Carla Manni},
year = {1991},
doi = {10.1016/0167-8396(91)90011-Y},
url = {http://dx.doi.org/10.1016/0167-8396(91)90011-Y},
researchr = {https://researchr.org/publication/CostantiniM91},
cites = {0},
citedby = {0},
journal = {Computer Aided Geometric Design},
volume = {8},
number = {5},
pages = {371-391},
}