@ARTICLE{Kaczorek_T._Positive_2011, author={Kaczorek, T.}, volume={59}, number={No 4}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={575-579}, howpublished={online}, year={2011}, title={Positive fractional 2D continuous-discrete linear systems}, URL={http://www.journals.pan.pl/Content/83449/PDF/28_paper.pdf}, doi={10.2478/v10175-011-0071-5}, }