@article{CRMATH_2009__347_17-18_1067_0,
     author = {Kiosak, Volodymyr and Matveev, Vladimir S.},
     title = {There are no conformal {Einstein} rescalings of complete {pseudo-Riemannian} {Einstein} metrics},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1067--1069},
     publisher = {Elsevier},
     volume = {347},
     number = {17-18},
     year = {2009},
     doi = {10.1016/j.crma.2009.06.017},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2009.06.017/}
}