[Fleck. "Multiple Widths Yield Reliable Finite Differences." IEEE/CVF International Conference on Computer Vision, 1990.](https://mlanthology.org/iccv/1990/fleck1990iccv-multiple/) doi:10.1109/ICCV.1990.139493
@inproceedings{fleck1990iccv-multiple,
title = {{Multiple Widths Yield Reliable Finite Differences}},
author = {Fleck, Margaret M.},
booktitle = {IEEE/CVF International Conference on Computer Vision},
year = {1990},
pages = {58-61},
doi = {10.1109/ICCV.1990.139493},
url = {https://mlanthology.org/iccv/1990/fleck1990iccv-multiple/}
}