@article{10_4153_CJM_1993_003_4,
     author = {Divincenzo, Onofrio Mario and Sagona, Rosa},
     title = {Homogeneous {Polynomials,} {Centralizers} and {Derivations} in {Rings}},
     journal = {Canadian journal of mathematics},
     pages = {22--32},
     year = {1993},
     volume = {45},
     number = {1},
     doi = {10.4153/CJM-1993-003-4},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1993-003-4/}
}