@article{GDZPPN002224038, title = {When the Dual of an Ideal is a Ring.}, journal = {Manuscripta mathematica}, volume = {39}, year = {1982}, pages = {67-86}, zbl = {0484.13001}, url = {http://dml.mathdoc.fr/item/GDZPPN002224038} }
Huckaba, James A.; Papick, Ira J. When the Dual of an Ideal is a Ring.. Manuscripta mathematica, Tome 39 (1982) pp. 67-86. http://gdmltest.u-ga.fr/item/GDZPPN002224038/