@article{Klekiel:2006,
  author  = "T. Klekiel and J. Kołodziej",
  title   = "Trefftz method for large deflection of plates with application of evolutionary algorithms",
  journal = "Computer Assisted Mechanics and Engineering Sciences",
  volume  = "Vol. 13",
  number  = "no 3",
  pages   = "407--416",
  year    = "2006",
}