@misc{Walkowiak_Krzysztof_An,
 author={Walkowiak, Krzysztof},
 howpublished={online},
 publisher={Instytut Łączności - Państwowy Instytut Badawczy, Warszawa},
 language={ang},
 type={artykuł},
 title={An exact algorithm for design of content delivery networks in MPLS environment, Journal of Telecommunications and Information Technology, 2004, nr 2},
 keywords={optimization, content delivery network, branch-and-cut algorithm},
}