@article{CTGDC_1977__18_3_249_0,
     author = {Koubek, V\'aclav},
     title = {On categories into which each concrete category can be embedded. {II}},
     journal = {Cahiers de topologie et g\'eom\'etrie diff\'erentielle},
     pages = {249--269},
     publisher = {Dunod \'editeur, publi\'e avec le concours du CNRS},
     volume = {18},
     number = {3},
     year = {1977},
     mrnumber = {453837},
     zbl = {0365.18005},
     language = {en},
     url = {http://www.numdam.org/item/CTGDC_1977__18_3_249_0/}
}