@Article{ 
  Rus20,
  author = { Russo, Giovanni },
  title = { The Einstein condition on nearly Kähler six-manifolds },
  journal = { Expositiones Mathematicae },
  year = { 2021 },
  doi = { 10.1016/j.exmath.2020.10.002 },
  volume = { 39 },
  number = { 3 },
  pages = { 384-410 },
  URL = { https://gecogedi.dimai.unifi.it/paper/362/ },
  note = { cvgmt preprint}
}