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The bilateral consistent prekernel for NTU games
Orshan, Gooni, (2000)
Prosperity properties of TU-games
Gellekom, J. R. G. van, (1999)
Membership of values to the core for average-convex TU-games
Driessen, Theo S. H., (1999)
The core of multi-choice NTU games
Hwang, Yan-An, (2005)