@ARTICLE{Obszarski_P._Towards_2015, author={Obszarski, P. and Jastrzębski, A. and Kubale, M.}, volume={63}, number={No 3}, journal={Bulletin of the Polish Academy of Sciences Technical Sciences}, pages={739-744}, howpublished={online}, year={2015}, title={Towards the boundary between easy and hard control problems in multicast Clos networks}, URL={http://journals.pan.pl/Content/84321/PDF/20_paper.pdf}, doi={10.1515/bpasts-2015-0085}, }