@article{10_4153_CJM_1976_002_5,
     author = {David, John},
     title = {On the {Endomorphisms} of a {Polynomial} {Ring}},
     journal = {Canadian journal of mathematics},
     pages = {9--18},
     year = {1976},
     volume = {28},
     number = {1},
     doi = {10.4153/CJM-1976-002-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1976-002-5/}
}