Não informado. (1958). Journal of Applied Mathematics and Mechanics. Pergamon Press.
Lua i Stíl Chicago (17ú heag.)Não informado. Journal of Applied Mathematics and Mechanics. Oxford, Inglaterra: Pergamon Press, 1958.
Lua MLA (8ú heag.)Não informado. Journal of Applied Mathematics and Mechanics. Pergamon Press, 1958.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.