1. Sur la complexité du problemè du verre de spins;Barahona,1979
2. On the complexity of max cut;Barahona,1980
3. Balancing signed graphs of fixed genus in polynomial time;Barahona,1981
4. Maximum matching and a polyhedron with (0,1)-vertices;Edmonds;J. Res. Nat. Bur. Standards,1965
5. On determining the genus of a graph in O(VO(g)) steps;Filotti,1978