@Article{ 
  AngTom15a,
  author = { Angella, Daniele and Tomassini, Adriano },
  title = { On Bott-Chern cohomology and formality },
  journal = { J. Geom. Phys. },
  year = { 2015 },
  doi = { 10.1016/j.geomphys.2015.03.004 },
  volume = { 93 },
  pages = { 52-61 },
  URL = { https://gecogedi.dimai.unifi.it/paper/50/ },
  note = { cvgmt preprint}
}