@article{Ja¶kiewicz:2014,
  author  = "A. Ja¶kiewicz and J. Matkowski and A. Nowak",
  title   = "On variable discounting in dynamic programming: applications to resource extraction and other economic models",
  journal = "Annals of Operations Research",
  volume  = "Vol. 220",
  number  = "no. 1",
  pages   = "263--278",
  year    = "2014",
  note    = "j. Matkowski - podwójna afiliacja",
}