1. Total dual integrality implies local strong unimodularity;Gerards;Math. Program.,1987
2. Polyhedral combinatorics;Pulleyblank,1983
3. Theory of Linear and Integer Programming;Schrijver,1986
4. Hilbert bases, Carathéodory’s Theorem and combinatorial optimization;Sebö,1990
5. Matroid Theory;Welsh,1976