@ARTICLE{Kaczorek_T._Positive_2012, author={Kaczorek, T.}, volume={60}, number={No 4}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={835-840}, howpublished={online}, year={2012}, title={Positive realizations with reduced numbers of delays for 2D continuous-discrete linear systems}, URL={http://www.journals.pan.pl/Content/83664/PDF/paper_20.pdf}, doi={10.2478/v10175-012-0097-3}, }