@article{10_4153_CMB_1994_076_0,
     author = {Marshall, Murray A.},
     title = {An {Approximation} {Theorem} for {Coarse} {V-Topologies} on {Rings}},
     journal = {Canadian mathematical bulletin},
     pages = {527--533},
     year = {1994},
     volume = {37},
     number = {4},
     doi = {10.4153/CMB-1994-076-0},
     url = {http://geodesic.mathdoc.fr/articles/10.4153/CMB-1994-076-0/}
}