Não informado. (1969). Contents of Contemporary Mathematical Journal. American Mathematical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Contents of Contemporary Mathematical Journal. Providence, RI: American Mathematical Society, 1969.
Lua MLA (8ú heag.)Não informado. Contents of Contemporary Mathematical Journal. American Mathematical Society, 1969.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.