@article{Exner:2018,
  author  = "P. Exner and S. Kondej and V. Lotoreichik",
  title   = "Asymptotics of the bound state induced by \delta-interaction supported on a weakly deformed plane",
  journal = "Journal of Mathematical Physics",
  volume  = "Vol. 59",
  number  = "iss. 1",
  pages   = "1--17",
  year    = "2018",
}