@article{01667788,
title = {Einstein-Maxwell equation on four-dimensional homogeneous spaces.},
journal = {Lobachevskii Journal of Mathematics},
volume = {8},
year = {2001},
pages = {33-165},
zbl = {1011.83005},
language = {en},
url = {http://dml.mathdoc.fr/item/01667788}
}
Komrakov, B.jun. Einstein-Maxwell equation on four-dimensional homogeneous spaces.. Lobachevskii Journal of Mathematics, Tome 8 (2001) pp. 33-165. http://gdmltest.u-ga.fr/item/01667788/