@article{Ja¶kiewicz:2014,
  author  = "A. Ja¶kiewicz and J. Matkowski and A. Nowak",
  title   = "Generalised discounting in dynamic programming with unbounded returns",
  journal = "Operations Research Letters",
  volume  = "Vol. 42",
  number  = "iss. 3",
  pages   = "231--233",
  year    = "2014",
}