@article{10_4153_CJM_1966_091_2,
     author = {Helzer, Garry},
     title = {On {Divisibility} and {Injectivity}},
     journal = {Canadian journal of mathematics},
     pages = {901--919},
     year = {1966},
     volume = {18},
     number = {1},
     doi = {10.4153/CJM-1966-091-2},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CJM-1966-091-2/}
}