@article{CGTM_2010_3_a28,
     author = {Tatiana F. Savina},
     title = {Homomorphisms and {Congruence} {Relations} for {Games} with {Preference} {Relations}},
     journal = {Contributions to game theory and management},
     pages = {387--398},
     publisher = {mathdoc},
     volume = {3},
     year = {2010},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CGTM_2010_3_a28/}
}