@article{KYB_1980_16_2_a3,
     author = {Gottwald, Siegfried},
     title = {A note on fuzzy cardinals},
     journal = {Kybernetika},
     pages = {156--158},
     year = {1980},
     volume = {16},
     number = {2},
     mrnumber = {575422},
     zbl = {0434.03038},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1980_16_2_a3/}
}