@article{Borowiecki:1999,
  author  = "M. Borowiecki and P. Mihok and Z. Tuza and M. Voigt",
  title   = "Remarks on the existence of uniquely partitionabe planar graphs",
  journal = "Discussiones Mathematicae : Graph Theory",
  volume  = "Vol. 19",
  number  = "no 2",
  pages   = "159--166",
  year    = "1999",
}