@article{Wo¼niak:2012,
  author  = "D. Wo¼niak and A. Drzewiński",
  title   = "Matrix-product states for the Ising model in a transverse field",
  journal = "Acta Physicae Superficierum",
  volume  = "Vol. 12",
  pages   = "187--195",
  year    = "2012",
  note    = "Wniwersytet Adama Mickiewicza ; Uniwersytet £ódzki, Poznań - £ód¼",
}