@article{Markum:2008Ek,
  author = "Markum, Harald",
  title = "{Instantons in Two-Dimensional Noncommutative U(1) Gauge Theory}",
  doi = "10.22323/1.042.0317",
  journal = "PoS",
  year = 2008,
  volume = "LATTICE 2007",
  pages = "317"
}