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2. On minimum mean weight cuts and cycles in a digraph;Karzanov,1985
3. Prolongement des jeux a deux joueurs de somme nulle;Moulin;Bull. Soc. Math. France, Mem.45,1976
4. Some Topics in Two-Person Games;Parthasarathy,1971
5. Solubility of position games in pure strategies;Gurvich;Zh. vychisl. Mat. mat. Fiz.,1975