@article{Barasiński:2014,
  author  = "A. Barasiński and W. Leoński and T. Sowiński",
  title   = "Ground-state entanglement of spin-1 bosons undergoing superexchange interactions in optical superlattices",
  journal = "Journal of the Optical Society of America B : Optical Physics",
  volume  = "Vol. 31",
  number  = "no. 8",
  pages   = "1845--1852",
  year    = "2014",
}