Idempotents in group algebras

Walter Rudin
<span title="1963-03-01">1963</span> <i title="American Mathematical Society (AMS)"> <a target="_blank" rel="noopener" href="https://fatcat.wiki/container/hjoli2j6qffdpaalkszryuidk4" style="color: black;">Bulletin of the American Mathematical Society</a> </i> &nbsp;
<span class="external-identifiers"> <a target="_blank" rel="external noopener noreferrer" href="https://doi.org/10.1090/s0002-9904-1963-10926-x">doi:10.1090/s0002-9904-1963-10926-x</a> <a target="_blank" rel="external noopener" href="https://fatcat.wiki/release/xcntjg4uancdnhw325g5rvhpiu">fatcat:xcntjg4uancdnhw325g5rvhpiu</a> </span>
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