@article{Kondej:2017,
  author  = "S. Kondej",
  title   = "Straight quantum layer with impurities inducing resonances",
  journal = "Journal of Physics A : Mathematical and Theoretical",
  volume  = "Vol. 50",
  number  = "no. 31",
  pages   = "1--18",
  year    = "2017",
}