@ARTICLE{Kaczorek_T._Positive_2012,
 author={Kaczorek, T.},
 volume={60},
 number={No 1},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={9-12},
 howpublished={online},
 year={2012},
 title={Positive fractional continuous-time linear systems with singular pencils},
 URL={http://ochroma.man.poznan.pl/Content/83453/PDF/02_paper.pdf},
 doi={10.2478/v10175-012-0002-0},
}