%0 Journal Article %A Alexandra B. Zinchenko %T A Simple Way to Obtain the Sufficient Nonemptiness Conditions for Core of TU Game %J Contributions to game theory and management %D 2013 %P 447-457 %V 6 %I mathdoc %U http://geodesic.mathdoc.fr/item/CGTM_2013_6_a34/ %G en %F CGTM_2013_6_a34