@article{10_1017_S0017089500002469,
     author = {Heyman, G. A. P. and Leavitt, W. G.},
     title = {A simple ring separating certain radicals},
     journal = {Glasgow mathematical journal},
     pages = {29--31},
     year = {1975},
     volume = {16},
     number = {1},
     doi = {10.1017/S0017089500002469},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500002469/}
}