@Article{ 
  AngKas16a,
  author = { Angella, Daniele and Kasuya, Hisashi },
  title = { Cohomologies of deformations of solvmanifolds and closedness of some
  properties },
  journal = { North-West. Eur. J. Math. },
  year = { 2017 },
  volume = { 3 },
  pages = { 75-105 },
  URL = { https://gecogedi.dimai.unifi.it/paper/49/ },
  note = { cvgmt preprint}
}