@article{Alawdin:2017,
  author  = "P. Alawdin and K. Urbańska",
  title   = "Bilevel limit analysis of self-hardening rod systems under moving load",
  journal = "Computer Assisted Methods in Engineering and Science",
  volume  = "Vol. 24",
  pages   = "225--238",
  year    = "2017",
}