@article{Exner:2002,
  author  = "P. Exner and S. Kondej",
  title   = "Curvature-inducend bound states for a \delta interaction suppored by a curve in R3",
  journal = "Annales Henri Poincaré",
  volume  = "Vol. 3",
  pages   = "967--981",
  year    = "2002",
}