Theo S. H. Driessen. n-person games and their cores. Math. Meth. of OR, 30(1), 1986. [doi]
@article{Driessen86, title = {n-person games and their cores}, author = {Theo S. H. Driessen}, year = {1986}, doi = {10.1007/BF01918631}, url = {http://dx.doi.org/10.1007/BF01918631}, researchr = {https://researchr.org/publication/Driessen86}, cites = {0}, citedby = {0}, journal = {Math. Meth. of OR}, volume = {30}, number = {1}, }