TY - JOUR AU - Djoković, D. Ž. TI - Epimorphisms of Modules which must be Isomorphisms JO - Canadian mathematical bulletin PY - 1973 SP - 513 EP - 515 VL - 16 IS - 4 UR - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1973-083-0/ DO - 10.4153/CMB-1973-083-0 ID - 10_4153_CMB_1973_083_0 ER -