@inproceedings{Babichev:2008aY, author = "Babichev, Eugeny", title = "{"Superluminal" scalar fields and black holes}", doi = "10.22323/1.043.0006", booktitle = "Proceedings of From Quantum to Emergent Gravity: Theory and Phenomenology {\textemdash} PoS(QG-Ph)", year = 2008, volume = "043", pages = "006" }