@article{KYB_2012_48_3_a13,
     author = {Bystrick\'y, Robert},
     title = {Different approaches to weighted voting systems based on preferential positions},
     journal = {Kybernetika},
     pages = {536--549},
     year = {2012},
     volume = {48},
     number = {3},
     mrnumber = {2975805},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2012_48_3_a13/}
}