@article{Wolff:2005/b,
  author = "Wolff, Ulli  and  Knechtli, Francesco  and  Leder, Björn  and  Balog, Janos",
  title = "{Cutoff effects in the O(N) sigma model at large N. }",
  doi = "10.22323/1.020.0253",
  journal = "PoS",
  year = 2005,
  volume = "LAT2005",
  pages = "253"
}