Não informado. (1884). Annals of Mathematics. Princeton University Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Annals of Mathematics. Lawrenceville, NJ: Princeton University Press, 1884.
Lua MLA (8ú heag.)Não informado. Annals of Mathematics. Princeton University Press, 1884.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.