@patent{legay:hal-02133385,
TITLE = {Matrice de Butler compacte, formateur de faisceaux bidimensionnel planaire et antenne plane comportant une telle matrice de Butler},
AUTHOR = {Legay, Herv{\'e} and Ettorre, Mauro and Sauleau, Ronan and Girard, Etienne and Fraysse, Jean-Philippe},
URL = {https://univ-rennes.hal.science/hal-02133385},
NUMBER = {FR3034262 A1},
ADDRESS = {France},
YEAR = {2016},
MONTH = Sep, HAL_ID = {hal-02133385},
HAL_VERSION = {v1},
}