@ARTICLE{Kucharzak_Michał_Modelling_2011, author={Kucharzak, Michał and Walkowiak, Krzysztof}, volume={vol. 57}, number={No 3}, journal={International Journal of Electronics and Telecommunications}, howpublished={online}, year={2011}, publisher={Polish Academy of Sciences Committee of Electronics and Telecommunications}, title={Modelling of Minimum Cost Overlay Multicast Tree in Two Layer Networks}, URL={http://journals.pan.pl/Content/86925/PDF/42.pdf}, doi={10.2478/v10177-011-0042-7}, }