@article{PismaZhETF.53.54,
    title = {Stationary electrovacuum generalization of the Schwarzschild solution which is distinct from the Kerr-Newman metric},
    author = {Denisova, T. E. and Man'ko, V. S and Khakimov, Sh. A.},
    journal = {Письма в ЖЭТФ},
    volume = {53},
    issue = {1},
    pages = {54},
    year = {1991},
    doi = {},
    url = {http://jetpletters.ru/ps/0/article_17353.shtml},
}