TY - JOUR A1 - Grötschel, Martin A1 - Lovász, Lászlo A1 - Schrijver, Alexander T1 - The ellipsoid method and its consequences in combinatorial optimization T2 - IIASA Collab. Proceedings Ser. CP-81-S1 Y1 - 1981 UR - https://opus4.kobv.de/opus4-zib/frontdoor/index/index/docId/3020 SP - 511 EP - 546 ER -