@article{Maciejewski:2014,
  author  = "A. Maciejewski and M. Przybylska and T. Stachowiak",
  title   = "Analytical method of spectra calculations in the Bargmann representation",
  journal = "Physics Letters A",
  volume  = "Vol. 378",
  number  = "no. 46",
  pages   = "3445--3451",
  year    = "2014",
}