@article{beauchard:hal-01526290,
TITLE = {Quadratic obstructions to small-time local controllability for scalar-input systems},
AUTHOR = {Beauchard, Karine and Marbach, Fr{\'e}d{\'e}ric},
URL = {https://hal.science/hal-01526290},
JOURNAL = {Journal of Differential Equations},
PUBLISHER = {Elsevier},
VOLUME = {264},
NUMBER = {5},
PAGES = {3704-3774},
YEAR = {2018},
MONTH = Mar, DOI = {10.1016/j.jde.2017.11.028},
KEYWORDS = {obstruction ; controllability ; quadratic expansion ; scalar-input ; small-time},
PDF = {https://hal.science/hal-01526290/file/quadratic_obstructions_v1.pdf},
HAL_ID = {hal-01526290},
HAL_VERSION = {v1},
}