1[LectureNotes]J.Lee-CombinatorialOptimization(2018,Springer)2CombinatorialOptimization-TheoryandAlgorithms-5th3CombinatorialOptimization-TheoryandAlgorithms-4thEdition-20084WilliamJ.Cook,WilliamH.Cunningham,WilliamR.Pulleyblank,AlexanderSchrijver-CombinatorialOptimization-Wiley-Int