@article{1102986018, author = {Armendariz, E. P.}, title = {Closure properties in radical theory.}, journal = {Pacific J. Math.}, volume = {27}, number = {3}, year = {1968}, pages = { 1-7}, language = {en}, url = {http://dml.mathdoc.fr/item/1102986018} }
Armendariz, E. P. Closure properties in radical theory.. Pacific J. Math., Tome 27 (1968) no. 3, pp. 1-7. http://gdmltest.u-ga.fr/item/1102986018/