TY - JOUR A1 - Alevras, Dimitris A1 - Grötschel, Martin A1 - Wessäly, Roland T1 - Cost-efficient network synthesis from leased lines T2 - Annals of Operations Research Y1 - 1998 UR - https://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/3116 VL - 76 SP - 1 EP - 20 ER -