@article{Karczewska:2018,
  author  = "A. Karczewska and P. Rozmej",
  title   = "The New Extended KdV Equation for the Case of an Uneven Bottom",
  journal = "Computational Methods in Science and Technology",
  volume  = "Vol. 24",
  number  = "no. 4",
  pages   = "221--225",
  year    = "2018",
}