Gillies D.B. (1953) Some Theorems on n-person Games, Ph.D. Thesis, Princeton University Press.
Aumann R.J. (1961) "The core of a cooperative game without side payments", Transactions of the American Mathematical Society 98(3), pp. 539--552
Peleg B. and Sudhoelter P. (2007) Theory of cooperative games, 2nd Edition, Springer, pp. 27--49
Maschler M., Solan E. and Zamir S. (2013) Game Theory, Cambridge University Press, pp. 686--747
Osborne M.J. and Rubinstein A. (1994) A Course in Game Theory, MIT Press, pp. 257--275