@article{AIHPC_2021__38_5_1337_0,
     author = {Trey, Baptiste},
     title = {Regularity of optimal sets for some functional involving eigenvalues of an operator in divergence form},
     journal = {Annales de l'I.H.P. Analyse non lin\'eaire},
     pages = {1337--1371},
     publisher = {Elsevier},
     volume = {38},
     number = {5},
     year = {2021},
     doi = {10.1016/j.anihpc.2020.11.002},
     language = {en},
     url = {http://archive.numdam.org/articles/10.1016/j.anihpc.2020.11.002/}
}