@article{Kaczorek91,
  title = {Some recent results in singular 2-D systems theory},
  author = {Tadeusz Kaczorek},
  year = {1991},
  url = {http://www.kybernetika.cz/content/1991/3/253},
  researchr = {https://researchr.org/publication/Kaczorek91},
  cites = {0},
  citedby = {0},
  journal = {Kybernetika},
  volume = {27},
  number = {3},
  pages = {253-262},
}