@article{Paj±k:2012,
  author  = "G. Paj±k and I. Paj±k",
  title   = "Planning of sub-optimal collision-free trajectoy for redundant manipulators",
  journal = "International Journal of Applied Mechanics and Engineering",
  volume  = "Vol. 17",
  number  = "no 4",
  pages   = "1223--1235",
  year    = "2012",
}