@incollection{Bracken17,
author = {Paul Bracken},
title = {An Intrinsic Characterization of Bonnet Surfaces Based on a Closed Differential Ideal},
booktitle = {Manifolds},
publisher = {IntechOpen},
address = {Rijeka},
year = {2017},
editor = {Paul Bracken},
chapter = {2},
doi = {10.5772/67008},
url = {https://doi.org/10.5772/67008}
}