1. Linear Programming;Chvat́al,1983
2. An improved approximation algorithm for multiway cut;Calinescu;J. Comput. System Sci.,2000
3. Optimal 3-terminal cuts and linear programming;Cunningham,1999
4. The complexity of multiterminal cuts;Dahlhaus;SIAM J. Comput.,1994
5. Approximating minimum subset feedback sets in undirected graphs, with applications;Even,1996