@article{beauchard:hal-01677037,
TITLE = {Minimal time issues for the observability of Grushin-type equations},
AUTHOR = {Beauchard, Karine and Dard{\'e},
J{\'e}r{\'e}mi and Ervedoza, Sylvain},
URL = {https://hal.science/hal-01677037},
JOURNAL = {Annales de l'Institut Fourier},
PUBLISHER = {Association des Annales de l'Institut Fourier},
VOLUME = {70},
NUMBER = {1},
PAGES = {247-312},
YEAR = {2020},
DOI = {10.5802/aif.3313},
PDF = {https://hal.science/hal-01677037/file/Grushin-Carl.pdf},
HAL_ID = {hal-01677037},
HAL_VERSION = {v1},
}