@article{CMUC_1963_4_2_a3,
     author = {Drbohlav, Karel},
     title = {A note on epimorphisms in algebraic categories},
     journal = {Commentationes Mathematicae Universitatis Carolinae},
     pages = {81--85},
     year = {1963},
     volume = {4},
     number = {2},
     mrnumber = {0184983},
     zbl = {0115.01402},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1963_4_2_a3/}
}