@article{AHL_2020__3__1195_0, author = {Morisse, Baptiste}, title = {On hyperbolicity and {Gevrey} well-posedness. {Part} one: the elliptic case.}, journal = {Annales Henri Lebesgue}, pages = {1195--1239}, publisher = {\'ENS Rennes}, volume = {3}, year = {2020}, doi = {10.5802/ahl.59}, language = {en}, url = {https://ahl.centre-mersenne.org/articles/10.5802/ahl.59/} }