@ARTICLE{Ostalczyk_P._Stability_2010,
 author={Ostalczyk, P.},
 volume={58},
 number={No 4},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={613-619},
 howpublished={online},
 year={2010},
 title={Stability analysis of a discrete-time system with a variable-, fractional-order controller},
 URL={http://www.journals.pan.pl/Content/83217/PDF/20_paper.pdf},
 doi={10.2478/v10175-010-0063-x},
}