@article{GDZPPN002232413,
title = {Nonexistence of axially symmetric, stationary solution of Einstein vacuum equation with disconnected symmetric event horizon.},
journal = {Manuscripta mathematica},
volume = {70},
year = {1991},
pages = {83-90},
zbl = {0753.53053},
url = {http://dml.mathdoc.fr/item/GDZPPN002232413}
}
Tian, Gang; Li, Yan Yan. Nonexistence of axially symmetric, stationary solution of Einstein vacuum equation with disconnected symmetric event horizon.. Manuscripta mathematica, Tome 70 (1991) pp. 83-90. http://gdmltest.u-ga.fr/item/GDZPPN002232413/