{"identifier":"nobleid:/w1/20260516/27C5ABC7","arkIdentifier":"ark:/48914/w1/20260516/27C5ABC7","version":1,"workTitle":"Proof without Words: Geometric Series","workType":"Journal Article","authors":"Sunday A. Ajose, Roger B. Nelsen","description":null,"workUrl":null,"existingDoi":"10.2307/2690617","createdAt":"2026-05-16T05:27:05.372125Z","canonicalUrl":"https://nobleid.org/ark:/48914/w1/20260516/27C5ABC7.v1"}