@article{CRMATH_2004__339_2_125_0,
     author = {Akbar-Zadeh, Hassan},
     title = {Geometry of generalized {Einstein} manifolds},
     journal = {Comptes Rendus. Math\'ematique},
     pages = {125--130},
     publisher = {Elsevier},
     volume = {339},
     number = {2},
     year = {2004},
     doi = {10.1016/j.crma.2004.05.002},
     language = {en},
     url = {http://www.numdam.org/articles/10.1016/j.crma.2004.05.002/}
}