@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},
     publisher = {mathdoc},
     volume = {04},
     number = {2},
     year = {1963},
     mrnumber = {0184983},
     zbl = {0115.01402},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/CMUC_1963__4_2_a3/}
}