@incollection{lamboley:hal-01322817,
TITLE = {Regularity of optimal spectral domains},
AUTHOR = {Lamboley, Jimmy and Pierre, Michel},
URL = {https://hal.science/hal-01322817},
BOOK
TITLE = {Shape optimization and Spectral theory},
PAGES = {29-77},
YEAR = {2017},
PDF = {https://hal.science/hal-01322817/file/Chap_regularity6.pdf},
HAL_ID = {hal-01322817},
HAL_VERSION = {v1},
}