@article{CTGDC_1976__17_1_33_0,
     author = {Koubek, V\'aclav},
     title = {On categories into which each concrete category can be embedded},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {33--57},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {17},
     number = {1},
     year = {1976},
     mrnumber = {417256},
     zbl = {0336.18005},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1976__17_1_33_0/}
}