Não informado. (1977). Tsukuba Journal of Mathematics. University of Tsukuba, Institute of Mathematics.
Lua i Stíl Chicago (17ú heag.)Não informado. Tsukuba Journal of Mathematics. Tsukuba, Japão: University of Tsukuba, Institute of Mathematics, 1977.
Lua MLA (8ú heag.)Não informado. Tsukuba Journal of Mathematics. University of Tsukuba, Institute of Mathematics, 1977.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.