@article{10_4153_CMB_1995_059_5,
     author = {Chatters, A. W. and Parmenter, M. M.},
     title = {Stably {Free} {Modules} {Over} {Rings} of {Generalised} {Integer} {Quaternions}},
     journal = {Canadian mathematical bulletin},
     pages = {408--411},
     year = {1995},
     volume = {38},
     number = {4},
     doi = {10.4153/CMB-1995-059-5},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1995-059-5/}
}