@article{10_4153_CJM_1971_019_7,
     author = {Gorman, Howard E.},
     title = {Radical {Regularity} in {Differential} {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {197--201},
     year = {1971},
     volume = {23},
     number = {2},
     doi = {10.4153/CJM-1971-019-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1971-019-7/}
}