@article{10_1017_S0008439500029155,
     author = {Amitsur, S.A.},
     title = {Ring and radicals, by {N.} {J.} {Divinsky.} {University} of {Toronto.} $7.50.},
     journal = {Canadian mathematical bulletin},
     pages = {320--323},
     year = {1968},
     volume = {11},
     number = {2},
     doi = {10.1017/S0008439500029155},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0008439500029155/}
}