@article{10_4153_CMB_1985_014_9,
     author = {Abu-Khuzam, Hazar and Yaqub, Adil},
     title = {Structure of {Certain} {Periodic} {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {120--123},
     year = {1985},
     volume = {28},
     number = {1},
     doi = {10.4153/CMB-1985-014-9},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1985-014-9/}
}