@article{1103904565,
author = {Friedman, John L.},
title = {Ergosphere instability},
journal = {Comm. Math. Phys.},
volume = {58},
number = {1},
year = {1978},
pages = { 243-255},
language = {en},
url = {http://dml.mathdoc.fr/item/1103904565}
}
Friedman, John L. Ergosphere instability. Comm. Math. Phys., Tome 58 (1978) no. 1, pp. 243-255. http://gdmltest.u-ga.fr/item/1103904565/