@article{CRMATH_2010__348_19-20_1129_0,
     author = {LeFloch, Philippe G. and Rozoy, Luc},
     title = {Uniqueness of {Kottler} spacetime and the {Besse} conjecture},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {1129--1132},
     publisher = {Elsevier},
     volume = {348},
     number = {19-20},
     year = {2010},
     doi = {10.1016/j.crma.2010.09.010},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2010.09.010/}
}