@article{CGTM_2013_6_a34,
     author = {Alexandra B. Zinchenko},
     title = {A {Simple} {Way} to {Obtain} the {Sufficient} {Nonemptiness} {Conditions} for {Core} of {TU} {Game}},
     journal = {Contributions to game theory and management},
     pages = {447--457},
     publisher = {mathdoc},
     volume = {6},
     year = {2013},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2013_6_a34/}
}