Não informado. (1967). Mathematics of the USSR. American Mathematical Society.
Lua i Stíl Chicago (17ú heag.)Não informado. Mathematics of the USSR. Providence, RI: American Mathematical Society, 1967.
Lua MLA (8ú heag.)Não informado. Mathematics of the USSR. American Mathematical Society, 1967.
Rabhadh: Seans nach mbeach na luanna seo go hiomlán cruinn i ngach uile chás.