1. Cooperative games with coalition structures;R J Aumann;International Journal of Game Theory,1974
2. On the number of blocks required to access the core;S B�al;Discrete Applied Mathematics,2012
3. Accessibility and stability of the coalition structure core;S B�al;Mathematical Methods of Operations Research,2013
4. An optimal bound to access the core in TU-games;S B�al;Games and Economic Behavior,2013
5. Core extensions for non-balanced TU-games;C Bejan;International Journal of Game Theory,2009