@article{10_21136_CMJ_2018_0554_16,
     author = {Chen, Huanyin and Sheibani, Marjan and Ashrafi, Nahid},
     title = {Rings consisting entirely of certain elements},
     journal = {Czechoslovak Mathematical Journal},
     pages = {553--558},
     publisher = {mathdoc},
     volume = {68},
     number = {2},
     year = {2018},
     doi = {10.21136/CMJ.2018.0554-16},
     mrnumber = {3819190},
     zbl = {06890389},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.2018.0554-16/}
}