@article{MET_1972__19_175542,
     author = {J. Gordesch},
     title = {On the {Equality} of {Pay-Off} {Matrices.}},
     journal = {Metrika},
     pages = {140--149},
     publisher = {mathdoc},
     volume = {19},
     year = {1972},
     zbl = {0252.90065},
     url = {http://geodesic.mathdoc.fr/item/MET_1972__19_175542/}
}