@article{Lechtenfeld:2004Aa,
  author = "Lechtenfeld, Olaf",
  title = "{Noncommutative Instantons and Solitons}",
  doi = "10.22323/1.011.0017",
  journal = "PoS",
  year = 2004,
  volume = "jhw2003",
  pages = "017"
}