@article{KYB_1974_10_5_a5,
     author = {Baladov\'a, Libu\v{s}e},
     title = {Number of alternatives in reducing finite spaces and vector spaces},
     journal = {Kybernetika},
     pages = {446--454},
     year = {1974},
     volume = {10},
     number = {5},
     mrnumber = {0371670},
     zbl = {0287.05011},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/KYB_1974_10_5_a5/}
}