@inproceedings{deNaurois:2007Os, author = "de Naurois, Mathieu", title = "{Discovery of the 3.9 days orbital periodicity in Very High Energy gamma rays from the X-ray binary LS 5039}", doi = "10.22323/1.033.0007", booktitle = "Proceedings of VI Microquasar Workshop: Microquasars and Beyond {\textemdash} PoS(MQW6)", year = 2007, volume = "033", pages = "007" }