TY  - JOUR
AU  - Fieldhouse, David J.
TI  - Characterizations of Modules
JO  - Canadian journal of mathematics
PY  - 1971
SP  - 608
EP  - 610
VL  - 23
IS  - 4
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-068-1/
DO  - 10.4153/CJM-1971-068-1
ID  - 10_4153_CJM_1971_068_1
ER  -