@article{CM_1976__32_2_203_0,
     author = {Richardson, J. S.},
     title = {Primitive idempotents and the socle in group rings of periodic abelian groups},
     journal = {Compositio Mathematica},
     pages = {203--223},
     publisher = {Noordhoff International Publishing},
     volume = {32},
     number = {2},
     year = {1976},
     mrnumber = {409618},
     zbl = {0328.16011},
     language = {en},
     url = {http://www.numdam.org/item/CM_1976__32_2_203_0/}
}