Não informado. (1972). Hokkaido Mathematical Journal. Hokkaido University, Department of Mathematics.
Lua i Stíl Chicago (17ú heag.)Não informado. Hokkaido Mathematical Journal. Sapporo, Japão: Hokkaido University, Department of Mathematics, 1972.
Lua MLA (8ú heag.)Não informado. Hokkaido Mathematical Journal. Hokkaido University, Department of Mathematics, 1972.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.