@article{03920730, title = {Epis and monos which must be isos.}, journal = {International Journal of Mathematics and Mathematical Sciences}, volume = {7}, year = {1984}, pages = {507-512}, doi = {10.1155/S0161171284000557}, zbl = {0576.16035}, language = {en}, url = {http://dml.mathdoc.fr/item/03920730} }
Fieldhouse, David J. Epis and monos which must be isos.. International Journal of Mathematics and Mathematical Sciences, Tome 7 (1984) pp. 507-512. doi : 10.1155/S0161171284000557. http://gdmltest.u-ga.fr/item/03920730/