@article{AFST_2022_6_31_5_1343_0,
     author = {Martino Fassina and Yifei Pan},
     title = {A local obstruction for elliptic operators with real analytic coefficients on flat germs},
     journal = {Annales de la Facult\'e des sciences de Toulouse : Math\'ematiques},
     pages = {1343--1363},
     publisher = {Universit\'e Paul Sabatier, Toulouse},
     volume = {Ser. 6, 31},
     number = {5},
     year = {2022},
     doi = {10.5802/afst.1722},
     language = {en},
     url = {https://afst.centre-mersenne.org/articles/10.5802/afst.1722/}
}