@article{10_21136_CMJ_1983_101859,
     author = {Numakura, Katsumi},
     title = {Notes on compact rings with open radical},
     journal = {Czechoslovak Mathematical Journal},
     pages = {101--106},
     publisher = {mathdoc},
     volume = {33},
     number = {1},
     year = {1983},
     doi = {10.21136/CMJ.1983.101859},
     mrnumber = {687421},
     zbl = {0537.13002},
     language = {en},
     url = {http://geodesic.mathdoc.fr/articles/10.21136/CMJ.1983.101859/}
}