@article{1102947710, author = {Cox, S. H.}, title = {Commutative endomorphism rings.}, journal = {Pacific J. Math.}, volume = {49}, number = {2}, year = {1973}, pages = { 87-91}, language = {en}, url = {http://dml.mathdoc.fr/item/1102947710} }
Cox, S. H. Commutative endomorphism rings.. Pacific J. Math., Tome 49 (1973) no. 2, pp. 87-91. http://gdmltest.u-ga.fr/item/1102947710/