@article{1077465463,
author = {Johnson, R. E.},
title = {The imbedding of a ring as an ideal in another ring},
journal = {Duke Math. J.},
volume = {20},
number = {1},
year = {1953},
pages = { 569-573},
language = {en},
url = {http://dml.mathdoc.fr/item/1077465463}
}
Johnson, R. E. The imbedding of a ring as an ideal in another ring. Duke Math. J., Tome 20 (1953) no. 1, pp. 569-573. http://gdmltest.u-ga.fr/item/1077465463/