@article{10_1017_S0017089500003104,
     author = {Potter, Gloria},
     title = {On the radical of a group algebra over a commutative ring},
     journal = {Glasgow mathematical journal},
     pages = {101--104},
     year = {1977},
     volume = {18},
     number = {1},
     doi = {10.1017/S0017089500003104},
     url = {http://geodesic.mathdoc.fr/articles/10.1017/S0017089500003104/}
}