@ARTICLE{Ufnalski_B._Plug-in_2015, author={Ufnalski, B. and Grzesiak, L.M.}, volume={63}, number={No 4}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={857-866}, howpublished={online}, year={2015}, title={Plug-in direct particle swarm repetitive controller with a reduced dimensionality of a fitness landscape – a multi-swarm approach}, URL={http://www.journals.pan.pl/Content/84359/PDF/05_paper.pdf}, doi={10.1515/bpasts-2015-0098}, }