@inproceedings{Levy:2021H/, author = "Levy, Christelle and Bolmont, Julien and Caroff, Sami and Gaug, Markus and Gent, Alasdair E. and Jacholkowska, Agnieszka and Kerszberg, Daniel and Lin, Tony T.Y. and Martinez, Manel and Nogués, Leyre and Otte, Nepomuk and Perennes, Cédric and Ronco, Michele and Terzic, Tomislav", title = "{Robust constraints on Lorentz Invariance Violation from H.E.S.S., MAGIC and VERITAS data combination}", doi = "10.22323/1.395.0695", booktitle = "Proceedings of 37th International Cosmic Ray Conference {\textemdash} PoS(ICRC2021)", year = 2021, volume = "395", pages = "695" }