@article{10_4153_CJM_1972_033_1,
     author = {Brown, William C. and Kuan, Wei-Eihn},
     title = {Ideals and {Higher} {Derivations} in {Commutative} {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {400--415},
     year = {1972},
     volume = {24},
     number = {3},
     doi = {10.4153/CJM-1972-033-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1972-033-1/}
}