1952/01/01 by R. J. Duffin, A. C. Schaeffer · 1,508 citations
paper · doi:10.1090/s0002-9947-1952-0047179-6
published in Transactions of the American Mathematical Society 72(2), 341-366 (American Mathematical Society (AMS))
crossref issued 1952/01/01 · crossref published 1952/01/01 · crossref published-print 1952/01/01 · crossref created 2010/06/30 · crossref deposited 2026/04/05 · crossref indexed 2026/08/04