J. C. Lagarias, [1] An elementary problem equivalent to the Riemann hypothesis - Rudimenta problema ekvivalenta al la rimana hipotezo, American Mathematical Monthly - Amerika Matematiko Monate 109 (2002), pp. 534-543.
temple.edu
math.temple.edu
Warren D. Smith, [2]Arkivigite je 2008-05-27 per la retarkivo Wayback Machine A "good" problem equivalent to the Riemann hypothesis - "Bona" problemo ekvivalenta al la rimana hipotezo], 2005
web.archive.org
Warren D. Smith, [2]Arkivigite je 2008-05-27 per la retarkivo Wayback Machine A "good" problem equivalent to the Riemann hypothesis - "Bona" problemo ekvivalenta al la rimana hipotezo], 2005
