@ARTICLE{Kaczorek_Tadeusz_Positive_2011,
 author={Kaczorek, Tadeusz},
 number={No 2},
 journal={Archives of Control Sciences},
 howpublished={online},
 year={2011},
 publisher={Committee of Automatic Control and Robotics PAS},
 title={Positive stable realizations with system Metzler matrices},
 URL={http://journals.pan.pl/Content/84189/PDF/4.pdf},
 doi={10.2478/v10170-010-0038-z},
}