@inproceedings{Aminzare_2014,
    doi = {10.1109/cdc.2014.7039986},
    url = {https://doi.org/10.1109%2Fcdc.2014.7039986},
    year = {2014},
    month = {dec},
    publisher = {{IEEE}},
    author = {Zahra Aminzare and Eduardo D. Sontag},
    title = {Contraction methods for nonlinear systems: A brief introduction and some open problems},
    booktitle = {53rd {IEEE} Conference on Decision and Control}
}

@inproceedings{Aminzare_2014, doi = {10.1109/cdc.2014.7039986}, url = {https://doi.org/10.1109%2Fcdc.2014.7039986}, year = {2014}, month = {dec}, publisher = {{IEEE}}, author = {Zahra Aminzare and Eduardo D. Sontag}, title = {Contraction methods for nonlinear systems: A brief introduction and some open problems}, booktitle = {53rd {IEEE} Conference on Decision and Control} }