@article{10_4153_CMB_1972_093_1,
     author = {Hughes, I. and Pearson, K. R.},
     title = {The {Group} of {Units} of the {Integral} {Group} {Ring} {ZS3}},
     journal = {Canadian mathematical bulletin},
     pages = {529--534},
     year = {1972},
     volume = {15},
     number = {4},
     doi = {10.4153/CMB-1972-093-1},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1972-093-1/}
}