@article{KYB_2010_46_6_a4,
     author = {Dorfer, Gerhard and Dorninger, Dietmar and L\"anger, Helmut},
     title = {On the structure of numerical event spaces},
     journal = {Kybernetika},
     pages = {971--981},
     year = {2010},
     volume = {46},
     number = {6},
     mrnumber = {2797421},
     zbl = {1221.06009},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_2010_46_6_a4/}
}