@ARTICLE{Kaczorek_T._Asymptotic_2009,
 author={Kaczorek, T.},
 volume={vol. 57},
 number={No 2},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={133-138},
 howpublished={online},
 year={2009},
 title={Asymptotic stability of positive 2D linear systems with delays},
 URL={http://www.journals.pan.pl/Content/105831/PDF/02_paper.pdf},
 doi={10.2478/v10175-010-0113-4},
}