@article{10_4153_CMB_1987_033_5,
     author = {Allen, P. J. and Hobby, C.},
     title = {Units in {Integral} {Group} {Rings} of {Some} {Metacyclic} {Groups}},
     journal = {Canadian mathematical bulletin},
     pages = {231--240},
     year = {1987},
     volume = {30},
     number = {2},
     doi = {10.4153/CMB-1987-033-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1987-033-5/}
}