Jaume Franch, Sunil Kumar Agrawal. On sufficient conditions to keep differential flatness under the addition of new inputs. Int. J. Control, 83(4):829-836, 2010. [doi]
@article{FranchA10,
title = {On sufficient conditions to keep differential flatness under the addition of new inputs},
author = {Jaume Franch and Sunil Kumar Agrawal},
year = {2010},
doi = {10.1080/00207170903453860},
url = {http://dx.doi.org/10.1080/00207170903453860},
researchr = {https://researchr.org/publication/FranchA10},
cites = {0},
citedby = {0},
journal = {Int. J. Control},
volume = {83},
number = {4},
pages = {829-836},
}