@article{CMUC_1968_9_2_a9,
     author = {Pultr, Ale\v{s}},
     title = {On full embeddings of concrete categories with respect to forgetful functors},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {281--305},
     year = {1968},
     volume = {9},
     number = {2},
     mrnumber = {0240166},
     zbl = {0175.29001},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1968_9_2_a9/}
}