@article{TAC_2005_14_a1,
     author = {R. Raphael and R.G. Woods},
     title = {On essential ring embeddings and the epimorphic hull of {C(X)}},
     journal = {Theory and applications of categories},
     pages = {46--52},
     publisher = {mathdoc},
     volume = {14},
     year = {2005},
     language = {en},
     url = {http://geodesic.mathdoc.fr/item/TAC_2005_14_a1/}
}