@article{1104252045, author = {Galloway, Gregory J.}, title = {On the topology of black holes}, journal = {Comm. Math. Phys.}, volume = {151}, number = {1}, year = {1993}, pages = { 53-66}, language = {en}, url = {http://dml.mathdoc.fr/item/1104252045} }
Galloway, Gregory J. On the topology of black holes. Comm. Math. Phys., Tome 151 (1993) no. 1, pp. 53-66. http://gdmltest.u-ga.fr/item/1104252045/