@article{CMUC_1974__15_4_a7,
     author = {Koubek, V\'aclav},
     title = {Each concrete category has a representation by $T_2$ paracompact topological spaces},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {655--664},
     publisher = {mathdoc},
     volume = {15},
     number = {4},
     year = {1974},
     mrnumber = {0354806},
     zbl = {0291.54019},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1974__15_4_a7/}
}