@article{CMUC_1972_13_4_a14,
     author = {Kat\v{e}tov, Miroslav},
     title = {On information in categories},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {777--781},
     year = {1972},
     volume = {13},
     number = {4},
     mrnumber = {0351625},
     zbl = {0254.94024},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1972_13_4_a14/}
}