TY  - JOUR
AU  - Gilmer, Robert
AU  - Heinzer, William
TI  - On the Cardinality of Subrings of a Commutative Ring
JO  - Canadian mathematical bulletin
PY  - 1986
SP  - 102
EP  - 108
VL  - 29
IS  - 1
UR  - http://geodesic.mathdoc.fr/articles/10.4153/CMB-1986-019-0/
DO  - 10.4153/CMB-1986-019-0
ID  - 10_4153_CMB_1986_019_0
ER  -