@article{JEP_2021__8__507_0,
     author = {Alexis Drouot},
     title = {Ubiquity of conical points in topological~insulators},
     journal = {Journal de l{\textquoteright}\'Ecole polytechnique {\textemdash} Math\'ematiques},
     pages = {507--532},
     publisher = {\'Ecole polytechnique},
     volume = {8},
     year = {2021},
     doi = {10.5802/jep.152},
     language = {en},
     url = {https://jep.centre-mersenne.org/articles/10.5802/jep.152/}
}