@ARTICLE{Kaczorek_Tadeusz_Determination_2012,
 author={Kaczorek, Tadeusz},
 number={No 4},
 journal={Archives of Control Sciences},
 howpublished={online},
 year={2012},
 publisher={Committee of Automatic Control and Robotics PAS},
 title={Determination of positive realizations with reduced numbers of delays or without delays for discrete-time linear systems},
 URL={http://www.journals.pan.pl/Content/84255/PDF/7.pdf},
 doi={10.2478/v10170-011-0035-x},
}