@misc{10_4153_CMB_1982_016_7,
     title = {Regular {Rings} are {Very} {Regular}},
     journal = {Canadian mathematical bulletin},
     pages = {118--118},
     year = {1982},
     volume = {25},
     number = {1},
     doi = {10.4153/CMB-1982-016-7},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1982-016-7/}
}