TY - JOUR A1 - Grötschel, Martin A1 - Padberg, Manfred T1 - Partial linear characterizations of the asymmetric travelling salesman polytope T2 - Mathematical Programming Y1 - 1975 UR - https://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/2996 VL - 8 SP - 378 EP - 381 ER -