@ARTICLE{Qian_D.W._Observer-based_2017,
 author={Qian, D.W. and Tong, S.W. and Li, C.D.},
 volume={65},
 number={No 1},
 journal={Bulletin of the Polish Academy of Sciences Technical Sciences},
 pages={35-44},
 howpublished={online},
 year={2017},
 title={Observer-based leader-following formation control of uncertain multiple agents by integral sliding mode},
 URL={http://journals.pan.pl/Content/105694/PDF/10.1515bpasts-2017-0005.pdf},
 doi={10.1515/bpasts-2017-0005},
}