@article{CMUC_1966_7_3_a12,
     author = {Hedrl{\'\i}n, Zden\v{e}k and Pultr, Ale\v{s}},
     title = {On categorial embeddings of topological structures into algebraic},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {377--400},
     year = {1966},
     volume = {7},
     number = {3},
     mrnumber = {0202797},
     zbl = {0143.02901},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1966_7_3_a12/}
}