@article{CMUC_1981_22_1_a9,
     author = {Fauknerov\'a, Jarmila},
     title = {A note on the finite extensivity property},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {137--143},
     year = {1981},
     volume = {22},
     number = {1},
     mrnumber = {609941},
     zbl = {0454.08006},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1981_22_1_a9/}
}