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Grandoni, Fabrizio and Kaibel, Volker and Oriolo, Gianpaolo and Skutella, Martin (2008) A short proof of the VPN Tree Routing Conjecture on ring networks. Operations Research Letters, 36 (3). pp. 361-365. ISSN 0167-6377
Eisenbrand, Friedrich and Grandoni, Fabrizio and Oriolo, Gianpaolo and Skutella, Martin (2007) New Approaches for Virtual Private Network Design. SIAM Journal of Computing, 37 (3). pp. 706-721. ISSN 0097-5397
Eisenbrand, Friedrich and Grandoni, Fabrizio and Oriolo, Gianpaolo and Skutella, Martin (2005) New Approaches for Virtual Private Network Design. In: ICALP.